Polyvinyl butyral (PVB) is a liquid-based resin produced via acetal reaction by having polyvinyl alcohol (PVA) reacting with aldehydes using acid catalyst. It is widely used in safety glass interlayers, adhesive for printing ink, adhesive of wash primer, baking varnish, electronic ceramics, and printed ......More→
Our furan no-bake resins are self-hardening resins developed independently by Chang Chun. They are used as binders for mechanical casting with the advantages of low formaldehyde content, hardening at room temperature, and faster curing. All of which translate to increased productivity.
Acrylic emulsion is a milky white polymeric emulsion, mainly produced with acrylic monomer undergoing polymerization, using an initiator in presence of emulsifier with water as a solvent. Acrylic emulsion possesses excellent adhesive and waterproofing properties, which can be used in the textile industry, such ......More→
Ethylene-vinyl chloride (EVCL) emulsion is the copolymer of ethylene and vinyl chloride with amide functional group. As there is vinyl chloride in the polymer’s backbone, the emulsion possesses excellent characteristics, such as excellent flame retardancy and ......More→
Wet paper strength resins can improve the binding strength between fibers and reduce paper surface’s electrical charge. At the same time, they can improve absorption of the long fibers and thereby enhancing paper’s wet strength and drainage. Wet paper strength resins also prevent ......More→
Trade named under EVASIN, our ethylene vinyl alcohol copolymer is a special thermoplastic polymer without any plastic additive. It can be used to produce high oxygen barrier films, sheets and other various food packaging materials. Because of its superior gas ......More→
Polyvinyl butyral interlayer is a thin film of uniform thickness that has been processed and extruded from PVB resin mixed with plasticizer and additives. Its unique characteristics are: impact resistance, penetration resistance, sound ......More→
Amino resin, also known as melamine resin, has excellent physical and chemical attributes. It works well in conjunction with acrylic resin, alkyd resin, polyester resin or epoxy resin to make good baking varnish. It is widely used as a primer for automotive, bicycles, computer shells, electrical appliances, lumps and metals. ......More→
The main ingredient in ethylene-vinyl acetate-vinyl chloride emulsion (EVA-VC emulsion) is vinyl chloride, which offers excellent water and fire resistance. Due to EVA-VC emulsion possesses both crosslinking and bridging ......More→
Our textile resin:
1. Creates anti-shrinking and anti-wrinkle properties for artificial fibers, rayon, cotton and other cellulose fiber fabric with good durability.
2. Possesses excellent stiffening with good washing fastness for nylon, polyester, acrylic and other synthetic fibers.
3. Can be used as an ......
Chang Chun Group has been producing paraformaldehyde since Oct. 1983. Due to our paraformaldehyde is mainly in a granular format with consistent quality, it is easy to handle and transport. Because of excellent solubility and broad applicability, it is used in products such as synthetic resin, phenolic resin, ......More→
Polysulfone (PSU) is synthesized from Bisphenol A and 4,4'-Dichlorodiphenyl Sulfone. PSU offers excellent performance in chemical resistance, heat stability (heat deflection temperature of 170℃), and impact strength. With the above characteristics, PSU is a kind of high performance engineering thermoplastic resin.
Our CP Cizer B-22 is an epoxidized soybean oil utilizing technologies from Adeka Corporation of Japan as part of technological cooperation. Due to its non-toxicity, our CP Cizer B-22 can be used as a stabilizer/plasticizer for PVC products. Our B-22D is a special grade developed with same ......More→
TPEE is produced by 1,4-butanediol, polytetra-methylene glycol, and DMT or PTA going through copolymerization condensation. It also can be made into thermoplastic polyester elastomer composites through kneading procedure. TPEE possesses a ......More→
Phenolic resin is the reaction product of phenol and formaldehyde. It offers good mechanical strength, dimensional/thermal stability, and good resistance to electricity, solvent, and acid. It is widely used in molding materials (including electronic packaging materials), laminating materials, polishing materials, ......More→
Our flocculants are specially designed for the treatment of various types of industrial wastewater, such as municipal or paper industry wastewater. When added into turbid water suspended with particles, flocculants neutralize the electric charges of polymeric particles suspended in the water and promote adsorption and ......More→
Vinyl acetate-ethylene copolymer emulsion (VAE Emulsion) is a copolymer of vinyl acetate and ethylene. It has been developed as a powerful base adhesive, offering the following unique characteristics: strong initial adhesion, high wet ......More→
Our melamine resin adhesives are bonding agents that were specifically designed for manufacturing water-resistant plywood, allowing plywood’s veneers to have more relaxed/higher moisture content. These adhesives are manufactured via reaction of melamine and formaldehyde using a special ......More→
Polyacrylamide resins are suitable for near-neutral papermaking conditions. The resins can be set only with a small amount of alum complex. Dry paper strength resins can improve selected paper properties, including the bursting strength and ring crush strength.
High solids amino crosslinking agents are widely used in coating products as a bridging agent when mixed with other resins. These resins are widely used in rolled steel coating, automotive coating, and waterborne coating. Our resins can be ......More→
We also offer phenolic resins as a hardening agent for the electronic industry. They offer good mechanical strength, dimensional/thermal stability, and resistance to electricity, solvent, and acid. They are widely used in molding materials (including ......More→
Polyethersulfone (PES) is synthesized from Bisphenol S and 4,4'-Dichlorodiphenyl Sulfone. PES offers excellent performance in chemical resistance, heat stability (heat deflection temperature of 195℃), and impact strength. With the above characteristics, PES is a kind of high performance engineering ......More→
After spray drying, VAE emulsion is turned into a white powder which is a copolymer of ethyl and vinyl acetate. It is free-flowing and is easy to emulsify. When dispersed in water, it forms a stable emulsion. Possessing the ......More→
Polyvinyl alcohol (PVA), a white/yellowish granule or powder, is a stable, non-toxic, and water-soluble polymer. PVA possesses good film-forming property, and the film formed from it has excellent adhesion, solvent-resistance, abrasion-resistance, high tensile strength, and great oxygen barrier property. ......More→
Polybutylene terephthalate (PBT) is a thermoplastic polyester resin produced by having 1,4-butanediol (BDO) and purified terephthalic acid (PTA) going through polycondensation and kneading process. Because it possesses a ......More→
Polyphenylsulfone (PPSU) is synthesized from 4,4'-Biphenol and 4,4'-Dichlorodiphenyl Sulfone. PPSU offers excellent performance in impact strength, chemical resistance, heat stability (heat deflection temperature of 207℃). With the above characteristics, PPSU is a kind of high performance engineering ......More→
Chang Chun’s epoxy resins are multi-purpose and high performance products developed using our own technologies. We offers broad portfolio of epoxy resins. For Bisphenol-A (BPA)-based epoxy resins (BE-series), we have solid, liquid, and solvent types, all of which are suitable for coating and composite material. We also ......More→
Our acrylamide aqueous solutions are produced by having acrylonitrile undergoing through hydration reaction. Our acrylamide solutions are extremely stable and have excellent quality. Polymeric and copolymeric products made from acrylamide are widely used for paper chemicals, coagulants, adhesives, petroleum engineering, ......More→
Chang Chun’s urea resin adhesive is a liquid adhesive which is produced by reacting urea with formaldehyde using a special catalyst and denaturant under strictly controlled conditions. It is suitable as plywood adhesive with excellent water resistance when a catalyst and appropriate amount of extender ......More→