#polyurethane and Novolac
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epoxysolutions · 3 months ago
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Novolac Epoxy vs Polyurethane Coatings
Choosing the right coating in industrial flooring and protective surface sections is very important in achieving the desired results in durability, chemical resistance, and longevity hence, each project’s requirements must be considered. Among the endless options lies Novolac Epoxy Coatings and Polyurethane Coatings, which are some of the more notable options. Knowing the characteristics of each coating and its application areas help make the right decision.
What is Novolac Epoxy Coating?
Novolac Epoxy Coatings are the uppermost protective coats obtained from epoxy phenol novolac resins. These coatings are best known for their chemical and thermal resistance and are perfect for tough industrial applications.
The main features of Novolac Epoxy Coatings are: These coatings have exceptional resistance to concentrated acids, alkalis, and a broad spectrum of chemicals, making them ideal for highly corrosive zones of chemicals, fertilizers, petrochemicals industries.
Superior Chemical Resistance – They offer exceptional resistance to concentrated acids, alkalis, and various chemicals, making them suitable for aggressive corrosive zones in industries such as chemicals, fertilizers, and petrochemicals.
Higher Glass Transition Temperature – This property ensures stability and performance under elevated temperatures, enhancing the coating’s durability.
Improved Mechanical Properties – Novolac epoxies exhibit enhanced mechanical strength, contributing to their robustness in industrial applications.
What is Polyurethane Coating?
Polyurethane Coatings are the most flexible and resilient protective layers. They are used widely because of their biomechanical properties in various industries. These coats have the following:
UV Absorption – Polyurethane coatings do not lose color and gloss due to sunlight. Therefore, they are good outdoors.
Impact and Abrasion Resistance – Their inherent flexibility allows them to absorb impacts and resist scratches, contributing to a longer lifespan.
Gloss Retention and Surface Appearance – These coatings maintain a glossy finish over time, increasing the appeal of surfaces.
Novolac Epoxy vs. Polyurethane Coatings
When comparing Epoxy Coatings vs. Polyurethane Coatings, several factors come into play.
1. Chemical Resistance: Novolac Epoxy Coatings take the cake for this one. Dr Cipy observes their, “extreme resistance against concentrated acids, alkalines and even solvents.” These chemicals are abundant in processing plants, and nova lobes are ideally suited for such zones. Concerning mild chemicals, Polyurethane Coatings hold up decently, but they cannot compete with novolacs’ extreme conditions.
2. Durability & Flexibility: Polyurethane Coatings take the lead with their elasticity—great for floors with slight movement or heavy foot traffic, like showrooms. Novolac Epoxy, while super durable, is more rigid and can crack under stress if not applied right, per Dr Cipy’s industrial focus.
3. Heat Resistance: Polyurethane coatings do well with heat but cannot take the same extremes. Novolac Epoxy Coatings perform significantly better than standard epoxies in high-heat zones, for example factory ovens.
4. UV Protection: Polyurethane Coatings shine here. They resist yellowing under sunlight and are perfect for outdoor patios or sunny warehouses. Novolac Epoxy tends to fade or chalk if exposed to UV long-term, so it’s better indoors.
5. Finish & Looks: Polyurethane Coatings are for you if you’re after a glossy, showroom coated appeal. Novolac Epoxy coatings focus on function over flash.
Why Choose Dr Cipy?
Consider Dr Cipy, a leading manufacturer specializing in a wide range of flooring and coating products for high-quality coating solutions. Our offerings include Novolac Epoxy Coatings, which is known for its extreme resistance to concentrated acids and chemicals, making them ideal for aggressive corrosive zones in industries such as chemicals, fertilizers, and petrochemicals.
Conclusion
The choice between Novolac Epoxy Coatings and Polyurethane Coatings hinges on the application’s specific requirements. For environments demanding high chemical and thermal resistance, Novolac Epoxy Coatings are the superior choice. Conversely, Polyurethane Coatings are more suitable for applications where flexibility, UV stability, and abrasion resistance are paramount.
Dr Cipy specializes in many flooring and coating products, such as epoxy, polyurethane, EPU and PU concrete, to name a few. We cater to various industries, from food and beverages to healthcare, pharmaceuticals and manufacturing. Dr. Cipy is a market leader and manufacturer of coating solutions, so for the best quality epoxy flooring solutions, look no further than here. Our commitment to innovation and quality ensures durable and high performing product delivery.
Ready to coat your floors right? Contact us now.
FAQs
1. What is the main difference between Novolac epoxy and polyurethane coatings? Novolac Epoxy offers superior chemical and heat resistance, while Polyurethane Coatings provide better flexibility and UV resistance.
2. Which coating is more durable: Novolac epoxy or polyurethane?Novolac Epoxy is more durable in harsh chemical and high-temperature environments, whereas Polyurethane is better for impact and abrasion resistance.
3. Which coating is better for industrial flooring? Novolac Epoxy Coatings are ideal for industries exposed to chemicals, while Polyurethane Coatings work better in high-traffic areas due to their flexibility.
4. Can polyurethane and Novolac epoxy be used together? Yes, Novolac Epoxy can be used as a base coat for chemical resistance, with Polyurethane as a topcoat for UV protection and durability.
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coherentmarketinsights · 1 year ago
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Navigating the Growth: Trends and Opportunities in the Marine Coatings Market
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Marine Coatings: Choosing the Right Protective Coating for Ships and Vessels They play a crucial role in protecting ships, vessels, offshore rigs and other marine structures from corrosion caused by sea water. Being continuously exposed to corrosive salt water and other harsh environmental conditions at sea can quickly damage unprotected steel and other metals. Proper coatings provide a protective barrier and prevent damage from occurring. They help extend the lifetime of ships and offshore infrastructure significantly by preventing corrosion. Types of Coatings There are different types of coatings used depending on the type and location of the structure as well as prevailing environmental conditions. Some of the main types are: Anti-fouling Coatings - Used on the underwater hull portion of vessels, these coatings prevent organisms like algae, barnacles and mollusks from attaching themselves. Modern anti-fouling coatings are typically based on biocides that are slowly released to deter aquatic organisms. Special low friction, foul release coatings are also available. Preservation/Holding Primers - Apply directly to new steel prior to longer term exposure. They provide temporary corrosion protection until full coatings can be applied. Commonly epoxy or zinc silicate based. Epoxy Coatings - Durable, chemical and abrasion resistant with excellent adhesion. Used above waterline, void spaces, cargo holds and decks. Variants include high build epoxy, novolac epoxy and others. Two-component, solvent free epoxies are most common. Polyurethane Coatings - Very tough with good gloss and color retention. Used as high performance finish coats in places like decks where abrasion resistance is important. Optional non-skid versions available. Inorganic Zinc Silicate Coatings - High performance coating preferred for critical areas like offshore rigs. Excellent barrier protection with good tolerance for harsh environments and temperatures. Applied by brush or spray. Other specialty coatings like moisture curing polymers, chlorinated rubbers and vinyls are available for specific applications. Proper surface preparation and multiple coats are needed for best performance. Selecting the Right Coating System There are several factors to consider when selecting marine coatings: Location on Vessel - Different areas like hull, deck or void spaces require specific coating attributes and certifications. Regulatory and classification society approvals needed in some cases. Environmental Conditions - Salinity, wave energy levels, humidity and temperature variations influence coating choice and application method. Harsher areas need toughest coatings. Surface Type - Steel, aluminum alloys and other metals require certain compatible coatings. Surface preparation method depends on material. Coating Performance Attributes - Required properties like corrosion protection capabilities, abrasion/impact resistance, non-skid characteristics, ease of application and maintenance guide selection. Budget - Cost of materials and application needs to align with budget while still providing necessary protection. Labor intensive high performance coatings may have higher initial costs. Compliance with Regulations - All coatings used in marine environment must comply with environmental legislation restricting VOC content and preventing pollution during application and needed recoating or repairs in future. Careful evaluation of coating product data sheets and manufacturer expertise helps determine the right coating system for assigned job conditions and vessel’s service life requirements. Where critical, professional coating consultants can assist.
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chemicalresearchupdates · 2 years ago
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Pipe Coatings Market Growth Statistics 2023 | Competitive Landscape and Restraining Factors
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The pipe coatings market is a segment of the global coatings industry that deals with the application of coatings on pipes used in various industries such as oil and gas, water and wastewater, chemicals, and others. Pipe coatings are used to protect pipes from corrosion, abrasion, and other damages, and to improve their performance and lifespan. The global pipe coatings market was valued at USD 8.5 billion in 2020 and is expected to grow at a CAGR of 4.5% from 2021 to 2028.
Types of Pipe Coatings
Fusion-Bonded Epoxy Coatings (FBE) FBE coatings are one of the most commonly used types of pipe coatings. They are applied by heating the pipe to a high temperature and then applying an epoxy powder to it. The powder melts and forms a coating that adheres strongly to the pipe.
Polyethylene Coatings (PE) PE coatings are thermoplastic coatings that are applied by extruding molten polyethylene onto the surface of the pipe. They are resistant to abrasion and have excellent impact resistance, making them suitable for use in harsh environments.
Polyurethane Coatings (PU) PU coatings are applied by spraying or brushing onto the surface of the pipe. They provide excellent resistance to abrasion, chemicals, and weathering, making them ideal for use in marine and offshore environments.
Coal Tar Enamel (CTE) Coatings CTE coatings are made by heating coal tar to a high temperature and then applying it to the pipe. They are highly resistant to water and chemicals and have a long lifespan.
Others Other types of pipe coatings include epoxy novolac coatings, epoxy phenolic coatings, and acrylic coatings.
Applications of Pipe Coatings
Oil and Gas Pipe coatings are used extensively in the oil and gas industry to protect pipelines from corrosion and abrasion. They are also used to improve the flow of oil and gas through the pipeline.
Water and Wastewater Pipe coatings are used in the water and wastewater industry to protect pipes from corrosion and to improve their durability. They are also used to prevent contamination of the water supply.
Chemicals Pipe coatings are used in the chemicals industry to protect pipes from corrosive chemicals and to improve their lifespan. They are also used to prevent leaks and spills.
Others Pipe coatings are used in various other industries such as food and beverage, pharmaceuticals, and pulp and paper, to protect pipes from corrosion and to improve their performance.
Regional Markets
North America North America is the largest market for pipe coatings, driven by the oil and gas industry, which accounts for a significant share of the market.
Europe Europe is another significant market for pipe coatings, driven by the increasing demand from the water and wastewater and oil and gas industries.
Asia Pacific The Asia Pacific market is expected to grow at the highest CAGR during the forecast period, driven by the increasing demand from the oil and gas and water and wastewater industries in the region.
Key Players in the Market
AkzoNobel N.V.
BASF SE
PPG Industries, Inc.
The Sherwin-Williams Company
Axalta Coating Systems LLC
Hempel A/S
Jotun A/S
Kansai Paint Co., Ltd.
Nippon Paint Holdings Co., Ltd.
Teknos Group Oy
Conclusion
The pipe coatings market is a growing segment of the global coatings industry, driven by the increasing demand for protective coatings in various industries. The market is expected to grow at a significant pace in the coming years, driven by the increasing demand from the oil and
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Cashew nut shell liquid - CNSL
CNSL may act as a potential raw material for the manufacture of polymers in the 21st century  due to its components and depletion in petroleum production which increasingly faces exhaustion. Long-chain, m-substituted phenol in CNSL is highly reactive. Thus a wide variety of resins are synthesized from CNSL, such as polyesters, phenolic resins, epoxy resins, polyurethanes, acrylics, vinyls and alkyds to mention a few. The synthesis of polymers from renewable resources has attracted considerable attention worldwide due to its potential attribute as a substitute for petrochemical feedstock.
CNSL contains four major components: 3-pentadecenyl phenol (cardanol), 5-pentadecenyl resorcinol (cardol), 6-pentadecenyl salicylic acid (anacardic acid) and 2-methyl 5-pentadecenyl resorcinol (2-methyl cardol), which can be good replacement for synthetic resins, owing to the current climate of diminishing petroleum reserves. Cardanol, which is a phenol derivative, has a meta substitute of a C15 unsaturated hydrocarbon chain with one to three double bonds. Being a major component of CNSL, its abundant production promised renewable feedstock for the petrochemical industry with a total production of CNS approaching 2.6 million tons annually.
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Resoles and novolacs resins are the major products of reaction of CNSL with formaldehyde. While novolac results from acid-catalyzed reactions, resoles are a product of base-catalyzed reactions.
CNSL can be polymerized by different methods. This includes addition polymerization through the side-chain double-bonds using cationic initiators such as diethylsulphate, condensation polymerization through the phenolic rings with aldehydic compound, e.g. formaldehyde, oxidative polymerization, polymerization after chemical modification to produce specialty properties, etc. The most common method is condensation reaction with formaldehyde. The CNSL-based polymers offer advantages such as improved flexibility and reduced brittleness, solubility in organic solvents, improved process ability, compatibility with other polymers, high performance and resistance to microbes, insects and termites.
CNSL were successfully applied as a thermosetting wood adhesive for wood panels to reduce formaldehyde emission. These renewable phenolic compounds give excellent adhesive performance, good moisture resistance and tend to give a lower formaldehyde emission than UF resin.
For more information, please do not hesitate to contact us:
Cat Loi Cashew Oil Production And Export Join Stock Company
Add: 95/3, 5 Hamlet, An Binh Ward, Bien Hoa City, Dong Nai Province
Hotline: +84907977658 – Mr Tommy
Website: https://biofuels.com.vn or https://cardanol.com.vn or https://cardanol.vn
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polyolspolymers-blog · 6 years ago
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Multifarious Synthetic Resins for Industrial Applications
Polyols & Polymers, with more than 25 years of experience, are adept in designing, manufacturing and supplying wide range of synthetic resins which serve a wide spectrum of industries, like- Adhesives, Rubber (Tire/Tyre and Rubber goods), Printing Inks, Varnishes, etc. The other offering include customized products for explicit requirement, Synthetic Resin contract manufacturing and toll milling including technical support for product usage.
Some of the products include-
Heat Reactive Alkyl Phenol Resins: The heat reactive alkyl phenolic resins are offered in more than 15 grades under the Polytone AP Series. These Phenolic resins are used in various sectors such as- Rubber Adhesives, Shoe Adhesives, Upholstery Adhesives, Automotive Adhesives, Paints, Varnishes and Lacquers, Tyre/Tire Building, Conveyor Belting, Shoe soles, Tire Beads and many more. The adhesive resins are oil-soluble, heat-reactive developed for formulating non-phasing polycholroprene solvent-type contact adhesives. These phenolic resin for adhesive are of 2 types- heat reactive & thermosetting.
Alkyl Phenol Resins/Butyl Curing Resins: The alkyl phenol resins is available in more than 15 premium grades and finds a lot of applications. Around 95% of the Polytone AP Series Alkyl Phenol Resins are exported, with European countries forming the majority. Polytone AP 113 is a heat reactive octyl phenol-formaldehyde resin that is comprised of methylol groups. It is formulated to cure the system of Butyl (Isobutylene-Isoprene) rubber by resin curing system. The butyl curing resins are also known as butyl vulcanizing resins and come in different types- Heat reactive butyl curing resin, Thermoreactive butyl curing resin, Thermosetting butyl curing resin, Crosslinking butyl curing resin, & Vulcanising resin. The compatibility with other elastomers is also quite good due to the presence of octyl group. This makes it suitable to be used to make cement with different properties.
Phenolic Resin/Tackifying Resins: Phenolic resin-Polytone AP 120/121, are modified alkyl phenol, thermoplastic phenolic resin. They impart building tack toward synthetic rubbers like SBR. The oil-soluble property makes it compatible with various synthetic rubbers. Several resins like PTBP resin, POP resin, PTOP resin, etc. are widely used as Tackifier resin or Tackifying resin. These resins are widely used as a replacement for hydrocarbon resin and are used in pressure sensitive adhesives.
Thermoplastic Phenolic Resin: Phenolic resins are of 2 types-Resol resin (Which are heat reactive), & Novolak resin (Which are non-heat reactive resin). The thermoplastic phenolic resins are mostly used in conjugation with methylene donor like hexa. The reinforcing resin imparts hardness and hence is majorly used in the apex of tires or in rubber compounds where the hardness factor is very crucial.
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Phenolic Formaldehyde Resin/Novolac Resins: The Phenol Formaldehyde Resin is the most archaic of the commercially manufactured synthetic polymer. Its main application lies where heat resistant binders are required. The industrial grade Novolac resin, which the company offers, imparts strength and thermal resistance making it suitable for various applications.
Modified Phenolic Resin & Modified Resin Ester: These resins are considered as ink resins and are also preferred for coating applications. The various grades in the P Series, which are phenolic modified rosin esters, have been developed to offer solutions for various ink applications like Offset, Web set, Sheetfed, Coldfed, Heat set, etc. to act as vehicles and facilitate high-speed printing in modern machines. High Melting resins are specially designed for modern high-speed printing equipment. It has good gel stability which makes it an excellent choice to obtain high structure and fast setting in Sheetfed inks and provides excellent gloss. The Rosin modified Penta esterified resin is offered in low/medium/high melting and viscosity for numerous applications. Other offerings include Tall Oil Alkyd Resin, Hydrocarbonaceos Resin, Rosin Based Resins, etc.
Maleic Resins: Maleic Resins are extensively used in paints, Surface Coating, Inks and in Varnish applications. They are available in two forms- Oil soluble maleic Resins and Alcohol or spirit soluble Maleic resins. These resins provide scratch resistance to the coating surface and adhesion to substrates.
Thermoplastic Acrylic Resin: Thermoplastic Acrylic Resins are polymers or copolymers of acrylic monomers for use in solvent applied lacquers, inks, specialty coatings & adhesives. They are available in fine granules and are thermoplastic in nature having thermal stability up to 180-2350 C. Polytone Acrylic Bead Resins provide excellent abrasion resistance with low pigment reactivity. Due to the compatibility of acrylic resins with a variety of plasticizers & reins, it is used in the formulation of adhesives, lacquers, inks etc. It is well suited for further application with Alkyd Resins, Vinyl Chloride Resins, Chlorinated Rubber, Cellulosic, & Plasticizers. The epoxy resins, ketone resins, rosin esters are also compatible and are used as modifiers extenders for silicone resins
Non-Reactive Polyamide Resin: The non-reactive polyamide resins are designed in order to provide superlative performance. These are thermoplastic polyamide resins and are formulated accordingly to exhibit good solvent compatibility, gel resistance, pigment wetting. They come in two variants, namely- Co-solvent Polyamide Resin and Alcohol Soluble Polyamide Resin.
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Additionally, Polyols & Polymers Pvt. Ltd. has various products at their disposal as well, serving the industries like Inks, Surface Coating, Varnishes/Enamels, Adhesives & Tapes, Rubber, and Polyurethane. Technological expertise and experience is mandatory to be the pioneer in manufacturing ketonic resin.
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epoxysolutions · 3 months ago
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Novolac Epoxy vs Polyurethane Coatings
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jocprj-blog · 7 years ago
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Synthesis and thermal properties of polyurethanes from Cardanolfurfural resin
Cardanol, a meta substituted phenol is a renewable organic resource obtained as a byproduct of the cashew industry. It is used for the production of polyurethanes. The cardanol-furfural resin has been synthesized by the condensation of cardanol with furfural in the presence of adipic acid catalyst and using varied molar proportion of the reacting monomers. The synthesized cardanolfurfural resin has been characterized by different physico-chemical techniques. The characterized furfuralated cardanol novolac resin has been condensed with toluene diisocyanate to produce hard segment polyurethanes. Soft segment polyurethanes are prepared by condensing the commercial polyol, polypropylene glycol-1200 (PPG-1200) with toluene diisocyanate and cardanol-furfural resin
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CNSL POLYOLS AND DIOLS
CNSL POLYOLS AND DIOLS
Cashew nut shell liquid (CNSL) based polyols that have unique qualities compared to widely known polyester and polyether polyols, and other natural oil based polyols. CNSL polyols are very hydrophobic because of the long aliphatic chain of cardanol, the absence of ester bonds and fewer ether oxygen atoms compared to typical polyether polyols. This hydrophobicity provides excellent water resistance and less moisture sensitivity during cure with isocyanate for increased durability of the final polyurethane system. In addition, CNSL polyols show fast cure with isocyanates minimizing the amount of catalysts required and allowing for quick return-to-service.
Different from other renewable polyols obtained from soy and castor oil, CNSL polyols have an aromatic structure that translates into excellent thermal resistance and chemical resistance to acid and alkaline solutions. Moreover, the combination of aromaticity and long aliphatic chain delivers hydrolytic stability and mechanical strength to CNSL based polyols.
CNSL polyols can be tailored designed for varied applications and functionalized to achieve a wide range of properties. CNSL diols combine the benefits of CNSL and Polyester technologies resulting in excellent solvent, alkaline, acid, and water resistance, good dimensional stability, and high physical properties such as tensile strength. CNSL diols can be formulated as is or as a building block for prepolymers. CNSL polyols have medium to high functionality and provide fast reactivity, high compression strength and improved fire and thermal resistance properties. Other medium and high functionality polyols include CNSL novolacs and specially modified polyols that deliver high overall strength and hydrophobicity.
CNSL polyols are suitable for 2k ambient cured coatings and adhesives, 1k blocked or moisture cured adhesives and sealants, and rigid and flexible foam applications.
For more information, please do not hesitate to contact us:
Cat Loi Cashew Oil Production And Export Join Stock Company
Add: 95/3, 5 Hamlet, An Binh Ward, Bien Hoa City, Dong Nai Province
Hotline: +84907977658 – Mr Tommy
Website: https://biofuels.com.vn or https://cardanol.com.vn or https://cardanol.vn
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CNSL - cashew nut shell liquid
CNSL may act as a potential raw material for the manufacture of polymers in the 21st century due to its components and depletion in petroleum production which increasingly faces exhaustion. Long-chain, m-substituted phenol in CNSL is highly reactive. Thus a wide variety of resins are synthesized from CNSL, such as polyesters, phenolic resins, epoxy resins, polyurethanes, acrylics, vinyls and alkyds to mention a few. The synthesis of polymers from renewable resources has attracted considerable attention worldwide due to its potential attribute as a substitute for petrochemical feedstock.
CNSL contains four major components: 3-pentadecenyl phenol (cardanol), 5-pentadecenyl resorcinol (cardol), 6-pentadecenyl salicylic acid (anacardic acid) and 2-methyl 5-pentadecenyl resorcinol (2-methyl cardol), which can be good replacement for synthetic resins, owing to the current climate of diminishing petroleum reserves. Cardanol, which is a phenol derivative, has a meta substitute of a C15 unsaturated hydrocarbon chain with one to three double bonds. Being a major component of CNSL, its abundant production promised renewable feedstock for the petrochemical industry with a total production of CNSL approaching 2.6 million tons annually.
Resoles and novolacs resins are the major products of reaction of CNSL with formaldehyde. While novolac results from acid-catalyzed reactions, resoles are a product of base-catalyzed reactions.
CNSL can be polymerized by different methods. This includes addition polymerization through the side-chain double-bonds using cationic initiators such as diethylsulphate, condensation polymerization through the phenolic rings with aldehydic compound, e.g. formaldehyde, oxidative polymerization, polymerization after chemical modification to produce specialty properties, etc. The most common method is condensation reaction with formaldehyde. The CNSL-based polymers offer advantages such as improved flexibility and reduced brittleness, solubility in organic solvents, improved process ability, compatibility with other polymers, high performance and resistance to microbes, insects and termites.
https://cardanol.vn
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