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Aqueous polyurethane

A water-based polyurethane and polyurethane technology, applied in the field of water-based polyurethane, can solve the problems of poor water resistance and gloss of the film, poor self-thickening properties of polyurethane, etc., and achieve the effects of low cost, reasonable formula, good water resistance and weather resistance

Inactive Publication Date: 2014-03-05
SUZHOU CITY WUZHONG DISTRICT TAIHU LIGHT TEXTILE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Polyurethane is a kind of (AB) n-type block copolymer composed of soft and hard segments, because it has some basic characteristics of rubber and plastic, and has special physical properties that other polymer materials do not have. , such as strong bonding ability, high mechanical strength, good high temperature resistance, low temperature resistance and weather resistance, etc., but the polyurethane currently used has poor self-thickening property, water resistance and gloss of the film Poor degree and other shortcomings

Method used

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Embodiment Construction

[0015] A kind of waterborne polyurethane of the present invention, the raw material of described polyurethane is made up of following parts by weight:

[0016] Component Parts by weight

[0017] Polyether polyurethane prepolymer 40

[0018] Dibutyl phthalate 2

[0019] Calcium carbonate 50

[0020] Calcium Magnesium Carbonate 6

[0021] 1,4 Butanediol 1

[0022] 1-Hydroxy-cyclohexyl-phenylmethanone 1.

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PUM

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Abstract

The invention discloses an aqueous polyurethane, which is composed of following raw materials: polyether type polyurethane prepolymer, dibutyl phthalate, calcium carbonate, calcium magnesium carbonate, 1,4-butylene glycol, and 1-hydroxyl-cyclohexyl-phenylketone. The aqueous polyurethane has the advantages of reasonable formula, and good waterproofness and weatherability; the adhesive performance will not degrade even under a long term using in the external environment, furthermore, the cost is low, and the application range is wide.

Description

technical field [0001] The invention relates to the field of polymer material processing, in particular to a water-based polyurethane. Background technique [0002] Polyurethane is a kind of (AB) n-type block copolymer composed of soft and hard segments, because it has some basic characteristics of rubber and plastic, and has special physical properties that other polymer materials do not have. , such as strong bonding ability, high mechanical strength, good high temperature resistance, low temperature resistance and weather resistance, etc., but the polyurethane currently used has poor self-thickening property, water resistance and gloss of the film Disadvantages such as poor degree. Contents of the invention [0003] In view of the above-mentioned technical problems, the object of the present invention is to propose a water-based polyurethane with reasonable formula and improved water resistance. [0004] Technical solution of the present invention is achieved in that ...

Claims

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Application Information

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IPC IPC(8): C08L75/08C08K13/02C08K5/12C08K3/26C08K5/053C08K5/07
Inventor 管威
Owner SUZHOU CITY WUZHONG DISTRICT TAIHU LIGHT TEXTILE
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