porous materials are not a new thing to be excellent catalyst carriers. the large specific surface area brought by porosity not only disperses and sta…
additives are important raw materials for the rubber industry, although the amount is small, but the role is very large, polyurethane elastomers from …
polyurethane used in the textile industry according to the information from the polyurethane division of the american society of plastics industry, th…
high resilience sponge in our lives everywhere, and silicone oil is an indispensable component of the sponge, it is used to adjust the structure of th…
the relationship between slow rebound sponge polyether and openers and silicone oil recently, we often receive calls from peers from all over the coun…
bio-based foaming silicone oil qg-9060/ bio-based foaming polyether qg-9030 product introduction qg-9060 is specially designed for pet recycled powder…
cotton hardener fhd600 product introduction hardener fhd600 is a kind of hardener for the preparation of vigorous cotton. it can improve the hardness …
preface two-component polyurethane adhesives are usually composed of an isocyanate component (curing agent) containing nco and a hydroxyl component (m…
preface two-component polyurethane adhesives are usually composed of an isocyanate component (curing agent) containing nco and a hydroxyl component (m…
abstract: the effects of non-butyltin catalysts and monobutyltin catalysts and their dosages on the catalytic esterification reaction activity of poly…
1. basic reaction the formation of polyurethane soft foam includes 2 basic reactions: foaming reaction and polymerization reaction (also called gel re…
1、polyether as the main raw material, polyether reacts with isocyanate to produce carbamate, which is the skeleton reaction of foam products. in the c…