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joyachem Lamination Adhesive constructed leather

 
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alicelili



Joined: 24 Oct 2016
Posts: 14

PostPosted: Wed Mar 22, 2017 5:59 pm    Post subject: joyachem Lamination Adhesive constructed leather Reply with quote

In the appliance of ablaze industry - polyurethane soles material,joyachem Lamination Adhesive constructed leather, polyurethane fiber;

In the architecture industry applications - insulation materials, waterproof materials, paving materials, potting materials.

Polyurethane Glueis the best achievement of the all-embracing insulation material. The courage contains a accumulation of polymers of -NHCOO-repeating structural units. English abridgement PU. By the isocyanate (monomer) and hydroxyl compounds from polymerization. Because of able arctic carbamate group, baffling in non-polar groups, has acceptable oil resistance, toughness, chafe resistance, crumbling attrition and adhesion. Altered abstracts can be acclimated to acclimate to a avant-garde temperature ambit (-50 ~ 150 ℃) materials, including elastomers, thermoplastic resins and thermosetting resins. Beneath top temperature bent hydrolysis, aswell not acrid medium.

Commonly acclimated monomers such as toluene diisocyanate, diphenylmethane diisocyanate and so on.

Polyols in three categories: simple polyols (ethylene glycol, glycerol, etc.); terminal hydroxyl-containing polyester oligomers, for the alertness of polyester-type polyurethane; absolute hydroxyl-terminated polyether oligomers, acclimated Alertness of Polyether Polyurethane.

The acclimation of Super Adhesive differs depending on the attributes of the material. Synthesis of elastomers if the aboriginal low atomic weight glycol, and again with balance ambrosial or aliphatic isocyanate reaction, the accumulation of isocyanate (-NCO) -based prepolymer, and again with the polyol alternation extension, the thermoplastic elastomer Body; if the diamine alternation addendum and added cross-linked to access cast-type elastomer. The prepolymer is chain-extended with hydrazine or diamine to access adjustable fiber.
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