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vinyl resin  1
  • vinyl resin  1

vinyl resin

Model:-
Brand:-
Origin:Made In China
Category:Chemicals / Resin
Label:vinyl resin , vinyl copolymer , copolymer
Price: US $1.8 / kg
Min. Order:1000 kg
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Product Description


Vinyl Resins for Coatings


 


Through advanced vinyl resin technology, we has successfully extended the many years of proven performance of the vinyl chloride backbone.


 


Vinyl Resins are available in three general copolymer types:


Vinyl Chloride/Vinyl Acetate


Carboxyl-Modified   Vinyl Chloride/Vinyl Acetate


Hydroxyl-Modified   Vinyl Chloride/Vinyl Acetate


 


These copolymers are available as powders and solutions in a range of molecular weights and compositions. Coatings based on these resins are nonoxidizing and permanently flexible, and are characterized by the absence of color, odor, and taste. They are not attacked at normal temperatures by dilute alkalies or mineral acids, alcohols, greases, oils, or aliphatic hydrocarbons. They have a low moisture-vapor transmission rate, low order of water absorption, and are tough and durable.


 


The molecular weight and the ratio of vinyl chloride to vinyl acetate affect the solubility and other physical properties of the resin. As the molecular weight (degree of polymerization)   is increased, the solution viscosity increases and the strength of the film increase. Vinyl chloride contributes film strength and toughness, as well as water and chemical resistance. Vinyl acetate improves solubility and film flexibility. When properly pigmented, coatings based on vinyl chloride/acetate copolymers have excellent outdoor durability. Hydroxyl-modification improves compatibility and adhesion, and provides a site for crosslinking. Carboxyl modification permits formulation of coatings that will adhere to clean metal surfaces on air- dry. Epoxy modification provides the ability to crosslink with carboxyl-modified   vinyl resins to give an all-vinyl reactive system that yields thermoset-like characteristics, most notably improved toughness, enhanced physical properties, and superior chemical resistance.


 


Vinyl Resins, produced by a proprietary suspension polymerization process, offer several advantages:


High Purity


No water-soluble suspending agents or surfactants are used in the manufacture; therefore, water resistance is outstanding. Additionally, the as-received vinyl chloride monomer (VCM) content of dry vinyl powders is nondeductible.


Uniform Polymer Composition and Narrow Molecular Weight Distribution Provide predictable solution viscosities and batch-to-batch   production uniformity.


Low in Gels


Easily dissolved and low in gels and insoluble materials.


Compatibility


Vinyl Resins are completely compatible with each other and many different types of resins.


 


Recoatable


Typically dry by evaporation. Hydroxyl-modified vinyls can be cured by crosslinking.

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Baoding Zhongbao Chemical industry trade Co., LTD

Sub.No.12Chaoyang Road, Baoding city, Hebei province

Phone:
86-312-3039311
Fax:
86-312-3023286
Contact:
Liu (Manager)
Mobile:
86-312-3039311

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