qiguang的所有文章" /> qiguang" />

Catalyst design and catalytic mechanism

Program Description Catalysis is the study of chemical reactions in which the energy barrier and rate are affected by other substances. Usually in het…

What you don’t know about the history and application technology of industrial catalysts!

Industrial Catalysts Catalysts occupy an extremely important position in the modern chemical industry, with about 90% or more of chemical production p…

70 basic concepts of polyurethane so you can understand it thoroughly!

1, hydroxyl value: 1 gram of polymer polyol contains the amount of hydroxyl (-OH) equivalent to the number of milligrams of KOH, unit mgKOH/g. 2、Equiv…

Technical Q&A on sprayed rigid foam polyurethane for cold storage applications

1. What is sprayed rigid polyurethane? Sprayed rigid polyurethane is a new type of waterproof and thermal insulation material made of polymer by mixin…

Spraying rigid foam polyurethane insulation and waterproofing technology

Background Polyurethane rigid foam for the construction industry is an important branch of the polyurethane industry, which is characterized by its mu…

Introduction to polyurethane basics

Polyurethane is a polymer containing a urethane group (-NHCOO) in the main chain of the polymer, known as polyurethane (PU). Polyurethane is an emergi…

Polyurethane industry terminology terminology explanation

I. Definition 1, hydroxyl value: 1 gram of polymer polyol contains the amount of hydroxyl (-OH) equivalent to the number of milligrams of KOH, unit mg…

Ubiquitous polyurethane for a better life

It is an indisputable fact that various synthetic polymer materials such as plastic and rubber are ubiquitous in our life. But among the many polymer …

Soft foam common problems and solutions

1 The number of accidents and problems encountered in actual foam production is diverse, and each accident is caused by a variety of factors. In the a…

Effect of different catalysts of soft foam on the compressive load performance of polyether-based foam products

The influence of catalysts, one-step process requires more active catalysts than the prepolymerization method, which usually uses a composite catalyti…

Inventory of polyurethane raw materials of amine catalysts, tin catalysts

In the process of polyurethane foam preparation, the role of catalysts is mainly to regulate the speed of foaming and gelation reactions to make them …

【Polyurethane】Polyurethane foam – various methods to improve the hardness of hard foam

In the process of foaming, if the hardness of the hard foam is not enough, how to improve the hardness? 01 Lower cost preferred, add calcium carbonate…

Call Us

+86-18962365658

Email: edisonzhao@51qiguang.com

Working hours: Monday to Friday, 9:00-17:30 (GMT+8), closed on holidays
Scan to open our site

Scan to open our site

Home
Contact
whatsapp
Search