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High-toughness polyurethane synthetic material

A synthetic material, polyurethane technology, applied in the field of high-toughness polyurethane synthetic materials, can solve the problems of easy damage, poor toughness, etc., and achieve the effect of reducing the probability of fatigue damage, excellent tensile performance, and good toughness

Inactive Publication Date: 2018-05-22
苏州浩洋聚氨酯科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The polyurethane materials in the prior art are difficult to achieve good coordination in terms of softness and toughness. Softer materials often have poor toughness and are easily damaged during stretching.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A high-toughness polyurethane synthetic material, made of the following raw materials in parts by mass:

[0022] 15 parts of triethyl phosphate,

[0023] 80 parts of isocyanate,

[0024] 80 parts of mixed polyols,

[0025] 10 parts of ammonium salt,

[0026] 5 parts of polar solvent containing amide bonds,

[0027] 5 parts of anionic surfactant,

[0028] 5 parts of ion initiator,

[0029] 5 parts swelling agent

[0030] The mixed polyol is mixed with polyether polyol and polymer polyol at a ratio of 1:1.

[0031] The sodium isocyanate is a 1:1 mixture of diphenylmethane diisocyanate and polymethylene polyphenylisocyanate.

[0032] The ammonium salt is a mixture of ammonium nitrate, ammonium chloride and ammonium sulfate.

[0033] The polar solvent containing amide bonds is formamide.

[0034] The anionic surfactant is a sulfate ester surfactant with a relative molecular weight of 200.

[0035] The ionic initiator is a cationic initiator.

Embodiment 2

[0037] A high-toughness polyurethane synthetic material, made of the following raw materials in parts by mass:

[0038] 25 parts of triethyl phosphate,

[0039] 100 parts of isocyanate,

[0040] 100 parts of mixed polyols,

[0041] 20 parts of ammonium salt,

[0042] 10 parts of polar solvent containing amide bonds,

[0043] Anionic surfactant 10 parts,

[0044] 10 parts of ion initiator,

[0045] Swelling agent 10

[0046] The mixed polyol is mixed with polyether polyol and polymer polyol at a ratio of 1:2.

[0047] The sodium isocyanate is a mixture of diphenylmethane diisocyanate and polymethylene polyphenylisocyanate at a ratio of 1:2.

[0048] The ammonium salt is a mixture of ammonium bisulfate, ammonium carbonate and ammonium bicarbonate.

[0049] The polar solvent containing amide bonds is N,N-dimethylformamide.

[0050] The anionic surfactant is a sulfate ester surfactant with a relative molecular weight of 400.

[0051] The ionic initiator is a cationic ini...

Embodiment 3

[0053] A high-toughness polyurethane synthetic material, made of the following raw materials in parts by mass:

[0054] 20 parts of triethyl phosphate,

[0055] 90 parts of isocyanate,

[0056] 90 parts of mixed polyols,

[0057] 15 parts of ammonium salt,

[0058] 7 parts of polar solvents containing amide bonds,

[0059] 7 parts of anionic surfactant,

[0060] 7 parts of ion initiator,

[0061] 7 parts of swelling agent,

[0062] The mixed polyol is mixed with polyether polyol and polymer polyol at a ratio of 1:1.5.

[0063] The sodium isocyanate is a mixture of diphenylmethane diisocyanate and polymethylene polyphenylisocyanate at a ratio of 1:1.5.

[0064] The ammonium salt is a mixture of ammonium phosphate and ammonium hydrogen phosphate.

[0065] The polar solvent containing amide bonds is N,N-dimethylacetyl.

[0066] The anionic surfactant is a sulfate ester surfactant with a relative molecular weight of 300.

[0067] The ionic initiator is a cationic initiat...

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PUM

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Abstract

The invention discloses a high-toughness polyurethane synthetic material. The high-toughness polyurethane synthetic material is prepared from the following raw materials by mass: 15-25 parts by triethyl phosphate, 80-100 parts of isocyanate, 80-100 parts of mixed polyhydric alcohol, 10-20 parts of ammonium salt, 5-10 parts of an amido bond containing polar solvent, 5-10 parts of an anionic surfactant, 5-10 parts of an ionic initiator and 5-10 parts of a swelling agent, wherein the mixed polyhydric alcohol is prepared by mixing polyether polyol and polymer polyol at the ratio of 1:(1-2). The high-toughness polyurethane synthetic material is high in toughness, the tensile property is also quite excellent while the texture is relatively soft, and the possibility of fatigue damage of the material in the daily use process is reduced.

Description

technical field [0001] The invention relates to a synthetic material, in particular to a high-toughness polyurethane synthetic material. Background technique [0002] Due to its unique structure and performance, polyurethane polymer materials are highly designable, relatively dense, wear-resistant, water-resistant, adjustable in softness and hardness, elastic and shock-absorbing, etc., and can be widely used in various It has important research value and broad application prospects. It is difficult for polyurethane materials in the prior art to achieve good coordination in terms of softness and toughness. Softer materials often have poor toughness and are easily damaged during stretching. Contents of the invention [0003] Purpose of the invention: the purpose of the invention is to provide a kind of polyurethane synthetic material with higher toughness and stronger tensile resistance. [0004] Technical solution: The high-toughness polyurethane synthetic material of the...

Claims

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Application Information

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IPC IPC(8): C08G18/40C08G18/48C08G18/63
CPCC08G18/4072C08G18/48C08G18/632
Inventor 周建颜玉荣
Owner 苏州浩洋聚氨酯科技有限公司