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K Resin Definition

Shenzhen Vasden Bioceramics Co.,Ltd | Updated: Aug 17, 2017
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Butyl benzene transparent anti-flushing resin, also known as K-resin (K-resin).

Butyl benzene transparent anti-scour resin is a kind of block copolymer synthesized by anionic solution polymerization with styrene and butadiene as monomer and alkyl lithium as initiator, its main characteristics are high transparency and good impact resistance. Small density, strong tinting strength, excellent processing performance, non-toxic, it is widely used in refrigerator manufacturing, electrical instrument panel and other materials (such as GPPs, SAN, SMA, PP, hips, etc.) mixed modification of the field, K-Resins can be developed and applied using a series of traditional machining techniques.

Styrene butadiene copolymer (SBC) is a transparent group of resins. The K-resin copolymer was synthesized by Phillips chemical researchers and put into the market in the early 70 's since then, the K-resin copolymer, which has a unique brightness, transparency and impact resistance, has been developed more and more, and the market has been expanded steadily.

K-Resins can be developed and applied using a series of traditional machining techniques. The pure K-resin or the K-resin mixed with the versatile polystyrene can be made into sheet metal by extrusion molding, and the high yield of the common equipment is thermally formed. In addition to high-speed production, the K-resin is economically acceptable and can be used to make transparent beverage cups, lids and other packaging materials that are not easily broken. Similarly, K-Resin as injection molding processing performance is good, cycle time reasonable, design flexibility. An example of the use of the K-resin feature is a transparent, long-lived hinge box for injection moulding. The K-resin is injected with a narrow hinge-hinge membrane cavity and still has sufficient toughness to ensure the life of the hinge. For hollow blow molding, the K-resin can be processed on most traditional equipment without costly changes to the equipment, such as the need for special molds, different screws, or a bottle that can be molded and molded to form a transparent crystal. K-Resin can be made of hollow blow molding of various sizes and shapes of products, small pill bottles, medical drainage devices, to the high body display art. It is not necessary to change the blow molding equipment, but also can be made into a glass-like transparent bottle with high resistance. In addition, K-resin can also be manufactured with rigid, high-gloss transparent label packaging film. If extreme processing and crushing recycling can be avoided, the polymer can be recycled multiple times, with only minimal changes in performance and processing energy.

Compared with other transparent polymers, the K-resin copolymer is characterized by low density and more attractive from an economic point of view. The rate of K-resins is higher than that of non-styrene transparent resins, and is in line with the provisions of the FDA's $number CFR 177 1640 * and the European EEC guideline 90/128/eec for food packaging. K-Resins also have a large proportion in the medical market, suitable for use as USP v1-50 materials, and can be disinfected with ethylene oxide gas or ultraviolet radiation.

The world's total production of butyl benzene transparent anti-scour resin (Phillips product name K resin) is 150kt, 1999 world demand is estimated to be 240kt


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