Flame-retardant antistatic polyurethane elastomer and preparation method thereof

A technology of polyurethane and unglue, which is applied in the direction of polyurea/polyurethane adhesive, adhesive, adhesive type, etc., to achieve the effect of stable surface hardness, good elasticity, and no performance degradation

Inactive Publication Date: 2020-11-20
SHENZHEN LIXIN LUNAN RUBBER & PLASTIC HARDWARE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention proposes a flame-retardant and anti-static polyurethane polyurethane glue, which solves the problem that the glue in the prior art does not have good viscosity, strong adhesion, good elasticity, stable surface hardness, environmental protection, durability, flame retardancy, and anti-static , not easy to age, no chip, easy to clean, oil resistance, wear resistance and solvent corrosion resistance and other defects

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] A flame-retardant antistatic polyurethane prepolymer (example 1), comprising each component of the following parts by weight: 25 parts of polyol 1000; 20 parts of polyol 2000; 15 parts of toluene diisocyanate; 8 parts 10 parts of flame retardant; 3 parts of vulcanizing agent; 10 parts of antistatic agent.

[0032] The preparation method of described flame-retardant antistatic polyurethane prepolymer (example 1) may further comprise the steps:

[0033] Step 1, first add the weighed polyol 1000 into the reactor and heat it to 40°C, and then raise the temperature to 55°C in two stages;

[0034] Step 2, then add the weighed polyol 2000 into the reaction kettle at a constant temperature of 60°C and stir for 25 minutes;

[0035] Step 3, add weighed toluene diisocyanate, and then raise the temperature to 75°C and stir for 1 hour;

[0036] Step 4, finally lower the temperature to 60°C, add the weighed flame retardant, vulcanizing agent and antistatic agent and stir for 0.3 ho...

Embodiment 2

[0039] A flame retardant and antistatic polyurethane prepolymer, comprising the following components in parts by weight: 30 parts of polyol 1000; 25 parts of polyol 2000; 20 parts of toluene diisocyanate; 10 parts of flame retardant agent; 4 parts of vulcanizing agent; 11 parts of antistatic agent.

[0040] The preparation method of described flame-retardant antistatic polyurethane prepolymer, comprises the following steps:

[0041] Step 1, first add the weighed polyol 1000 into the reactor and heat it to 45°C, and then raise the temperature to 60°C in two stages;

[0042] Step 2, then add the weighed polyol 2000 into the reaction kettle at a constant temperature of 60°C and stir for 30 minutes;

[0043] Step 3, add weighed toluene diisocyanate, then heat up to 80°C and stir for 1.5 hours;

[0044] Step 4, finally lower the temperature to 65°C, add the weighed flame retardant, vulcanizing agent and antistatic agent and stir for 0.5 hours, then raise the temperature to 80°C a...

example 3

[0047] A flame-retardant antistatic polyurethane prepolymer (example 3), comprising each component of the following parts by weight: 35 parts of polyol 1000; 30 parts of polyol 2000; 25 parts of toluene diisocyanate; 12 parts 5 parts of flame retardant; 5 parts of vulcanizing agent; 12 parts of antistatic agent.

[0048] The preparation method of described flame-retardant antistatic polyurethane prepolymer (example 3) may further comprise the steps:

[0049] Step 1, first add the weighed polyol 1000 into the reactor and heat it to 50°C, and then raise the temperature to 65°C in two stages;

[0050] Step 2, then add the weighed polyol 2000 into the reaction kettle at a constant temperature of 60°C and stir for 35 minutes;

[0051] Step 3, add weighed toluene diisocyanate, then heat up to 85°C and stir for 2 hours;

[0052] Step 4, finally lower the temperature to 70°C, add the weighed flame retardant, vulcanizing agent and antistatic agent and stir for 0.7 hours, then raise t...

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Abstract

The invention provides a flame-retardant antistatic polyurethane elastomer. A prepolymer of the flame-retardant antistatic polyurethane elastomer comprises the following components in parts by weight:25-35 parts of polyol 1000, 20 to 30 parts of a polyol 2000; 15 to 25 parts of toluene diisocynate; 8 to 12 parts of a flame retardant; 3-5 parts of a vulcanizing agent; and 10 to 12 parts of an antistatic agent. The flame-retardant anti-static polyurethane elastomer does not contain any toxic and harmful substances and other filling materials, is a water-resistant and oil-resistant environment-friendly anti-static flame-retardant new material, has the hardness range of 0A-98A, and has the advantages of good surface viscosity, strong adhesive force, good elasticity, stable surface hardness, environmental protection, durability, flame retardance, static resistance, difficulty in aging, no chip falling, easiness in cleaning, oil resistance, wear resistance and solvent corrosion resistance.The long-time use performance is not reduced, and the like. The invention further provides a preparation method of the flame-retardant anti-static polyurethane elastomer. The preparation method is simple and easy to implement, high in stability and high in production efficiency.

Description

[0001] The present invention is a divisional application based on the application number 201710030222.1, the application date is 2017.01.17, and the invention name is "a flame-retardant and anti-static polyurethane prepolymer and its preparation method". technical field [0002] The invention relates to the technical field of unglue, in particular to flame-retardant and antistatic polyurethane unglue and a preparation method thereof. Background technique [0003] Uniglue, also known as polyurethane PU elastomer, is a kind of rubber with good strength and small compression deformation. A new type of material between plastic and rubber, which has the rigidity of plastic and the elasticity of rubber. It is currently widely used to replace rubber. The preparation process of the unglue in the prior art is complicated and the stability is weak. The unglue prepolymer in the prior art cannot obtain the unglue by simply adding a curing agent, and does not have good viscosity, strong...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J175/04C09J11/06
CPCC08K2201/017C09J11/06C09J175/04C08K5/521C08K5/42C08K5/053
Inventor 向欢
Owner SHENZHEN LIXIN LUNAN RUBBER & PLASTIC HARDWARE
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