Roof waterproof sealant

A technology of waterproof sealing and polysulfide rubber, applied in the direction of adhesive additives, non-polymer adhesive additives, etc., can solve the problems of low storage stability, complicated preparation process, low mechanical strength, etc., and achieve simple process and easy storage , The effect of low processing cost

Inactive Publication Date: 2017-05-31
童道庆
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a waterproof sealant for roofs and roofs, which avoids the process of mixing the two-component sealant before use, can be used directly and achieves high-quality adhesive sealing effects, and has the advantages of convenient use and easy storage. ; At the same time, it overcomes the shortcomings of the existing single-component sealant such as poor heat resistance, high water absorption, low mechanical strength, poor flexibility, low storage stability, and complicated preparation processes.

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0010] A roof waterproof sealant, which is composed of the following raw materials in parts by weight: 62 parts of polysulfide rubber LP-2, 9 parts of semi-reinforced furnace black, 5.1 parts of monoglyceride stearate, 3.3 parts of lead dioxide vulcanized paste 2.5 parts of sulfur, 45 parts of water, 6 parts of fumed silica, 3 parts of DBP plasticizer, 5.9 parts of titanium dioxide;

[0011] The specific preparation process of the sealing material is as follows: mix polysulfide rubber LP-2, semi-reinforced furnace black, gas phase silica, sulfur and water, mix with the remaining raw materials after foaming for 35 minutes, control the temperature at 50 °C, and continue stirring for 45 -55min, the temperature is kept at 80-90°C; after stirring, it is sent to the extruder together with the remaining materials for granulation, and finally extruded by the extrusion molding machine.

[0012] The heat and water resistance test data of sealant of the present invention are as follows: ...

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PUM

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Abstract

The invention discloses a roof waterproof sealant. The roof waterproof sealant is prepared from, by weight, 60-64 parts of polysulfide rubber LP, 8-10 parts of semi-reinforcing furnace black, 4.5-5.8 parts of glyceryl monostearate, 3.2-3.5 parts of lead dioxide vulcanized paste, 2-3 parts of sulfur, 40-50 parts of water, 5-7 parts of fumed silica, 2-4 parts of DBP plasticizer and 5.7-6.1 parts of titanium dioxide. The roof waterproof sealant has the advantages of being convenient to use and easy to store and overcomes the defects that an existing single-component sealant is poor in heat resistance, high in water absorption, low in mechanical strength, poor in flexibility, low in storage stability and complex in preparing process.

Description

technical field [0001] The invention relates to the field of waterproof sealing, in particular to a roof waterproof sealant. Background technique [0002] The traditional edge banding adhesive is generally a two-component epoxy resin sealant. For stable storage, the additive and the resin need to be stored separately. The two components are mixed before use to make the resin solidify and cross-link to complete the adhesive seal. [0003] Effect. When the two-component epoxy resin sealant is used, the measurement requirements for each component are strict, and a slight deviation in the weight of each component will affect the adhesive sealing effect of the two-component epoxy resin sealant. Compared with two-component epoxy resin sealants, one-component epoxy resin sealants have the advantage of being easy to use. However, the existing one-component epoxy resin sealant has defects such as poor heat resistance, high water absorption, low mechanical strength, poor flexibili...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J181/04C09J11/04C09J11/06
CPCC09J181/04C08K3/04C08K3/06C08K3/22C08K3/36C08K5/103C08K5/12C08K13/02C08K2003/2234C08K2003/2241C08L2201/08C09J11/04C09J11/06
Inventor 童道庆
Owner 童道庆
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