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Flexible polyurethane sealant

A technology of elastic polyurethane and caulking agent, which is applied in the field of caulking agent, can solve the problems of poor pressure resistance, poor waterproof performance, and high cost, and achieve the effects of good fireproof and sound insulation effects, good aging resistance, and reduced overall cost

Inactive Publication Date: 2016-11-16
启东市富康箱包配件有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The traditional caulking agent is easy to age, has poor waterproof performance, poor pressure resistance performance, does not have the effect of heat preservation and heat insulation, and has high cost

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0007] Example: It is composed of the following components in parts by mass: 40 parts of polyether polyol, 80 parts of toluene diisocyanate, 15 parts of dioctyl phthalate, 20 parts of turpentine, 15 parts of chlorinated paraffin, and 20 parts of rosin resin , 30 parts of talc, 100 parts of polyurethane prepolymer, 20 parts of stearate, 5 parts of thickener.

[0008] During production, the above-mentioned materials are added to the mixing tank and mixed evenly to obtain the finished product.

[0009] In summary, the joint sealant of the present invention has good aging resistance, water resistance and pressure resistance, and also has the effect of heat preservation and heat insulation, good fire and sound insulation effects, and reduces overall costs.

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PUM

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Abstract

The invention discloses a flexible polyurethane sealant. The flexible polyurethane sealant comprises the following components in parts by mass: 40 parts of polyether polyol, 80 parts of toluene diisocynate, 15 parts of dioctyl phthalate, 20 parts of turpentine, 15 parts of chlorinated paraffin, 20 parts of rosin resin, 30 parts of talcum powder, 100 parts of a polyurethane prepolymer, 20 parts of stearate and 5 parts of a thickener. According to the invention, the flexible polyurethane sealant has relatively good ageing-resistant, waterproof and pressure-resistant properties, also has a heat-insulating efficacy, has good fireproof and sound-insulating effects, and reduces the comprehensive cost.

Description

Technical field [0001] The invention relates to a joint sealant, in particular to an elastic polyurethane type joint sealant. Background technique [0002] Traditional caulking agents are prone to aging, have poor waterproof performance, poor pressure resistance, do not have the effect of heat preservation and heat insulation, and have high costs. Summary of the invention [0003] The object of the present invention is to provide an elastic polyurethane type joint sealant to solve one or more of the above-mentioned prior art problems. [0004] According to one aspect of the present invention, there is provided an elastic polyurethane type joint sealant, which is composed of the following components in parts by mass: 40 parts of polyether polyol, 80 parts of toluene diisocyanate, and 15 parts of dioctyl phthalate, 20 parts of turpentine, 15 parts of chlorinated paraffin, 20 parts of rosin resin, 30 parts of talc, 100 parts of polyurethane prepolymer, 20 parts of stearate, 5 parts of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L75/08C08L91/00C08L91/06C08K5/12C08K3/34C08K5/09C08G18/76C08G18/48C08G18/64C08G18/10
CPCC08G18/10C08G18/4081C08G18/48C08G18/64C08L75/08C08L2201/02C08L2205/02C08L2205/03C08L91/00C08L91/06C08K5/12C08K3/34C08K5/09C08G18/7614
Inventor 倪平
Owner 启东市富康箱包配件有限公司
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