Special heat-resistant and wear-resistant polyurethane composite for printing and dyeing rollers

A composite material and polyurethane technology, which is applied in the field of printing and dyeing rubber roller materials, can solve problems such as degumming, affecting production progress, and holes, so as to improve tear strength and tensile strength, reduce friction factor and wear rate, and improve heat dissipation. The effect of stability

Inactive Publication Date: 2018-01-26
ANHUI YAYUAN PRINTING & DYEING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The heat resistance and wear resistance of the polyurethane rubber rollers currently produced are not very good. After a short time of use,

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0014] Example 1

[0015] The present invention proposes a heat-resistant and wear-resistant polyurethane composite material for printing and dyeing rubber rollers. Its raw materials include, in parts by weight: 35 parts of 2,4-toluene diisocyanate, 20 parts of polycarbonate diol, and polypropylene oxide binary 28 parts of alcohol, 2 parts of polyether ether ketone, 5 parts of phenyl silicone rubber, 1 part of phenolic resin, 5 parts of chain extender, 0.3 part of alcohol amine, 0.05 part of catalyst, 1 part of nano steel slag, 0.9 part of nano titanium dioxide, 0.2 part of carbon fiber Parts, 1.5 parts of β-cyclodextrin, 0.2 parts of hexamethyldisilazane, 1 part of double 251, 2 parts of toughening agent.

Example Embodiment

[0016] Example 2

[0017] The present invention proposes a heat-resistant and wear-resistant polyurethane composite material for printing and dyeing rubber rollers. Its raw materials include, by weight, 10 parts 2,4-toluene diisocyanate, 35 parts polycarbonate diol, and polypropylene oxide binary 10 parts of alcohol, 9 parts of polyether ether ketone, 1 part of phenyl silicone rubber, 3 parts of phenolic resin, 1 part of chain extender, 1 part of alcohol amine, 0.01 part of catalyst, 5 parts of nano steel slag, 0.1 part of nano titanium dioxide, 1.3 part of carbon fiber Parts, 0.1 part of β-cyclodextrin, 1.2 parts of hexamethyldisilazane, 0.2 parts of bis-2.5, and 6 parts of toughening agent.

Example Embodiment

[0018] Example 3

[0019] The present invention proposes a heat-resistant and wear-resistant polyurethane composite material for printing and dyeing rubber rollers. Its raw materials include, by weight, 32 parts 2,4-toluene diisocyanate, 24 parts polycarbonate diol, and polypropylene oxide binary 26 parts of alcohol, 4 parts of polyether ether ketone, 4.6 parts of phenyl silicone rubber, 1.5 parts of phenolic resin, 4 parts of chain extender, 0.5 parts of alcohol amine, 0.04 parts of catalyst, 1.6 parts of nano steel slag, 0.8 parts of nano titanium dioxide, 0.5 parts of carbon fiber Parts, 1.1 parts of β-cyclodextrin, 0.4 parts of hexamethyldisilazane, 0.9 parts of bis-2.5, and 2.6 parts of toughening agent;

[0020] Wherein, the mole fraction of phenyl in the phenyl silicone rubber is 10%;

[0021] The phenolic resin is a boron phenolic resin;

[0022] The chain extender is a mixture of diethylene glycol, 1,5-pentanediol, and butanediamine in a weight ratio of 4:2:6;

[0023] The al...

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PUM

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Abstract

The invention discloses a special heat-resistant and wear-resistant polyurethane composite for printing and dyeing rollers. The composite is prepared from the following raw materials in parts by weight: 10-35 parts of 2,4-toluene diisocyanate, 20-35 parts of polycarbonate diol, 10-28 parts of polypropylene oxide diol, 2-9 parts of polyether ether ketone, 1-5 parts of phenyl silicone rubber, 1-3 parts of phenolic resin, 1-5 parts of a chain extender, 0.3-1 part of alcohol amine, 0.01-0.05 parts of a catalyst, 1-5 parts of nano-steel slag , 0.1-0.9 parts of nano-titania, 0.2-1.3 parts of carbonfibers, 0.1-1.5 parts of beta-cyclodextrin, 0.2-1.2 parts of hexamethyldisilazane, 0.2-1 part of 2,5-dimethyl-2,5-di(tert-butylperoxy)hexane and 2-6 parts of a toughening agent. The special heat-resistant and wear-resistant polyurethane composite for the printing and dyeing rollers has excellent heat resistance and wear resistance, the printing and dyeing rollers made of the composite have excellent heat resistance and wear resistance and long service life.

Description

technical field [0001] The invention relates to the technical field of printing and dyeing rubber roller materials, in particular to a heat-resistant and wear-resistant polyurethane composite material specially used for printing and dyeing rubber rollers. Background technique [0002] With the development of equipment manufacturing and polymer materials, printing and dyeing equipment and key accessories are gradually being upgraded. At the same time, people have put forward higher requirements for the quality of various printing and dyeing products. Printing and dyeing rubber rollers are the key accessories of printing and dyeing equipment. Direct contact with printing and dyeing products, its quality reliability directly affects the quality of printing and dyeing products. Printing and dyeing rubber rollers can be divided into butyl rubber rollers, nitrile rubber rollers, polyurethane rubber rollers and silicone rubber rubber rollers according to their materials. [0003] ...

Claims

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Application Information

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IPC IPC(8): C08L75/04C08L61/16C08L83/04C08L61/06C08L5/16C08K13/08C08K11/00C08K7/06C08K3/22C08G18/40C08G18/44C08G18/48C08G18/66C08G18/32
Inventor 潘学东
Owner ANHUI YAYUAN PRINTING & DYEING CO LTD
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