久久精品国产亚洲一区2区_亚洲日韩av你懂得在线影院_午夜福利在线免费_国产日韩精品高清HD免费_亚洲国产黄色Av_一级真人片a一级黄大片_A∨变态另类天堂无码专区_桃花影视香蕉视頻abb_成年人免费视频在线观看免费_亚洲日本五月天久久综合网

The polyether polyol CH-FR012 is prepared by the ring-opening polymerization of a compound containing an active hydrogen group as an initiator with ethylene oxide and propylene oxide under the action of a catalyst. CH-FR012 is a polyether polyol with special structure design, which is often used to produce pillow or mattress sponge materials with latex texture by reacting CH-FR009 with modified MDI. The product has no peculiar smell, good softness and elasticity which is not easy to age and can effectively replace natural latex products.

The polyether polyol CH-FR009 is prepared by the ring-opening polymerization of a compound containing an active hydrogen group as an initiator with ethylene oxide and propylene oxide under the action of a catalyst. CH-FR009 is a highly active polyether polyol with a special structural design. This product is BHT-free and amine-free which is often used with CH-FR012 and modified MDI to produce foam materials for pillows or mattresses with latex texture. In addition, the product has no peculiar smell, good softness and elasticity which is not easy to age and can effectively replace natural latex products.

The polyether polyol CHE-2A65 is prepared by ring-opening polymerization of propylene oxide and ethylene oxide in block sequence with a special compound containing active hydrogen groups as an initiator under the action of a catalyst. The product has super opening characteristics which can effectively replace that conventional slow-rebound polyether CHE-307 to be use for producing air-permeable slow-rebound product with coarse cells and can be used for sofas, mattres, carpets, sports protective articles, insoles and the like.

The polyether polyol CHE-338N is prepared by the ring-opening polymerization of a compound containing an active hydrogen group as an initiator with ethylene oxide and propylene oxide under the action of a catalyst. The product is a high EO content and high activity polyether without BHT which is a low odor product, has higher activity, can be used as a high-resilience soft foam opening agent, and can also be used for preparing a super-soft sponge; in addition, when the product is used together with CHE-328N, the foaming fluidity, the foaming ratio and the filling performance of the product are better.

The polyether polyol CHE-328N is prepared by using a compound containing an active hydrogen group as an initiator and carrying out ring-opening polymerization reaction with ethylene oxide and propylene oxide under the action of a catalyst. The product is a high molecular weight and high activity polyether without BHT and amine which is a low odor product. Compared with CHE-828, it has higher activity, better foaming fluidity, foaming rate and filling performance, and needs to be used together with CHE-338 N.

The polyether polyol CHK-340a is synthesized by the ring-opening block copolymerization of glycerol, ethylene oxide and propylene oxide in the presence of a catalyst. The product can be used as a pore-opening agent for molding foams and block foams, the addition amount of the pore-opening agent needs to be properly adjusted under different black material systems, the addition amount of the pore-opening agent under a TM system is about 1-2 parts, the addition amount of the pore-opening agent under an MT system is about 1-3 parts, and the addition amount of the pore-opening agent under an MDI system is about 2-5 parts; meanwhile, the pore-opening agent can also be used as a basic polyether for super-soft foams and a basic polyether for slow-rebound foams of an MDI system.

The polyether polyol CHK-3602 is prepared by the ring-opening polymerization of a compound containing an active hydrogen group as an initiator with ethylene oxide and propylene oxide under the action of a catalyst. The product is mainly used for preparing MDI system flatulence slow rebound block foam and molded foam. Compared with CHE-3601, it has more flatulence and can also be used as a base polyether for ultra-soft foams.

The polyether polyol CHE-3601 is synthesized by the ring-opening polymerization of a compound containing an active hydrogen group as an initiator, ethylene oxide and propylene oxide in the presence of a catalyst. The product is mainly used for preparing MDI system flatulence slow rebound block and molding foam which can also be used as the basic polyether of super-soft foam.

The polyether polyol CHK-350D is prepared by the ring-opening polymerization of a compound containing an active hydrogen group as an initiator with ethylene oxide and propylene oxide under the action of a catalyst. The product can be used as an opening agent for high-resilience molding foam and high-resilience block foam which can also be used as a basic polyether for super-soft foam and a basic polyether for MDI system flatulence slow-resilience foam.

Polyether polyol CHK-350a is synthesized by ring-opening polymerization of ethylene oxide and propylene oxide with glycerol as initiator in the presence of catalyst. The product can be used as a pore-opening agent for molding foams and block foams, the addition amount of the pore-opening agent needs to be properly adjusted under different black material systems, the addition amount of the pore-opening agent under a TM system is about 1-2 parts, the addition amount of the pore-opening agent under an MT system is about 1-3 parts, and the addition amount of the pore-opening agent under an MDI system is about 2-5 parts; meanwhile, the pore-opening agent can also be used as a basic polyether for super-soft foams and a basic polyether for slow-rebound foams of an MDI system.

The polyether polyol CHE-9701 is prepared by the ring-opening polymerization reaction of a compound containing an active hydrogen group as an initiator and ethylene oxide under the action of a catalyst. This product is free of BHT and amine which is a crosslinking agent used for high resilience foam, self-skinning foam, etc.

The polyether polyol CHE-307 is prepared by the ring-opening polymerization of a compound containing an active hydrogen group as an initiator and propylene oxide in the presence of a catalyst. The product is a typical slow-rebound polyether without BHT and has a wide application range which has the characteristics of low color, low viscosity, antioxidant system, environmental friendliness and the like and mainly applied to foam materials such as slow rebound block foam and molding.

The polyether polyol CHE-306 is prepared by the ring-opening polymerization of a compound containing an active hydrogen group as an initiator and propylene oxide under the action of a catalyst. The product is a slow-rebound polyether without BHT which has the characteristics of low color, low viscosity, antioxidant system, environmental friendliness and the like and mainly used in the production of slow rebound block foam and molding foam materials.

The polyether polyol CHE-304 is prepared by the ring-opening polymerization of a compound containing an active hydrogen group as an initiator and propylene oxide under the action of a catalyst. This product is a BHT-free, amine-free 3-functionality polyether, which is mainly used in the manufacture of coatings and adhesives.

The polyether polyol CHE-303 is prepared by the ring-opening polymerization of a compound containing an active hydrogen group as an initiator and propylene oxide under the action of a catalyst. This product is a BHT-free, amine-free polyether which mainly used in the manufacture of coatings and adhesives.