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Related Knowledge of Foamed Silica Gel -- 2020-11-05

Foamed silica gel is also called addition molding silica gel. It is composed of silica gel and curing agent at a ratio of 1:1. After being vulcanized, it becomes a soft elastic material. It is an environmentally friendly material, the products produced are non-toxic, tasteless, safe and sanitary. Flexible silicone rubber products such as human body, insoles, shoulder pads, patches, non-slip pads, etc. can be made. Tear strength: 55Kn/m; ductility: 100%; temperature range: -40-220℃; fire rating: ...

Talking about Methyl High-hydrogen Silicone Oil -- 2020-11-04

1 Industry status of methyl high-hydrogen silicone oilMethyl high-hydrogen silicone oil is often referred to as high-hydrogen silicone oil. It is a very important silicone oil product that is very popular at home and abroad. The siloxane main chain in the high-hydrogen silicone oil product contains highly active silicon-hydrogen bonds, which can react with many active groups, and the surface energy of methylsiloxane chain links is low, so its synthetic materials have good properties. Water resis ...

What are the Functions and Characteristics of Glue Defoamers -- 2020-11-03

The oil-based glue defoamer is made of ether, fatty alcohol and multiple active additives through a special process. It is easy to disperse in water-based system, has strong self-emulsification, good defoaming, long-lasting foam suppression, and has special effects on water-soluble polymers and medium and low viscosity systems. It is especially suitable for latex-type water such as styrene-acrylic, ethylene-propylene, pure acrylic, vinyl acetate emulsion, and carboxylated styrene butadiene. It h ...

How does Defoamer Defoam -- 2020-11-02

Papermaking water treatment, paper pulping, pulp washing, color paste, degassing, du paper coating zhi coating sizing, coating coating, printing pictorial paper after calendering, deinking washing, defoaming in paper coating polymer system And deaeration, art paper, slurry defoaming, paper surface sizing and pressing process, glue, coating process defoaming, deinking process defoaming, paper machine wet end use, degassing and defoaming during paper production, etc.Anti-foaming agents generally e ...

Preparation Method and Process of Organosilicon Surfactant for Preparing Polyurethane Rigid Foam -- 2020-10-30

Background technique:The existing silicone surfactants used to prepare polyurethane rigid foams all use hydrogen-containing silicone oil and allyl alcohol as the initiator, and the allyl polyether reaction of the alkylation reaction of ethylene oxide and propylene oxide The allyl polyether, which is usually used to prepare the silicone surfactant of polyurethane rigid foam, is an unblocked polyether.Although the acetyl-terminated allyl polyether has a high end-capping rate, some products can rea ...

The Difference between High Resilience Liquid Silicone and Solid High Resilience Silicone and Their Respective Applications -- 2020-10-29

High resilience liquid silica gel is a kind of silica gel with better resilience. Because liquid silica gel is safe and environmentally friendly, it can fully meet the requirements of food grade. It can be used for baby products, such as baby pacifiers. High resilience liquid silica gel has good flow properties and fast vulcanization., Fast molding speed, yellowing resistance, heat aging resistance, excellent tear strength and other advantages, and easy to use, so it has a wide range of uses, su ...

Basic Information of Silicone Resin -- 2020-10-28

Silicone resin is a highly cross-linked polyorganosiloxane with a network structure, usually methyltrichlorosilane, dimethyldichlorosilane, phenyltrichlorosilane, diphenyldichlorosilane or methylbenzene Various mixtures of dichlorosilanes, in the presence of organic solvents such as toluene, are hydrolyzed at lower temperatures to obtain acid hydrolysates. The initial product of the hydrolysis is a mixture of cyclic, linear and cross-linked polymers, usually containing a considerable number of h ...

Introduction of Silicone Resin Paint -- 2020-10-27

Silicone polymer-silicone resin, silicone rubber, silicone oilMade from basic raw materials. OrganicThere are two main types of silicone resin paint, one type is low molecularSilicone-based silicone resin paint, the other type is modifiedSilicone resin paint.Silicone resin paint has heat resistance, weather resistance,Ozone resistance and resistance to ultraviolet rays in sunlight, its gloss retention and resistanceThe pigment has good powdering properties and excellent electrical insulation. It ...

The Role of Foam Stabilizers -- 2020-10-26

In the formulation, the main functions of surfactants are: one is to improve the emulsifying ability between the components, so that they can be more effectively mixed with each other; the other is to control the system to have proper surface tension during the foaming process to produce good Bubble network structure, therefore, can also be called foam stabilizer. Polyester and polyether flexible foam have different raw material bases and different properties. Therefore, the selection and dosage ...

Process Application and Composite Materials of Silicone Resin -- 2020-10-23

General resin refers to an organic structure that can soften or flow after heating, and is mostly semi-solid and solid at room temperature. Broadly speaking, resin can refer to all macromolecules processed by plastics, especially chemicals. Resin itself is also one of the raw materials for manufacturing plastics. It can be said that the application of resin is very wide. The silicone resin mentioned by the editor here refers to a very special kind of resin, also called a highly cross-linked mixt ...

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