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MS sealant and preparation method thereof

A technology of silane-terminated polyether and polyether polyol, applied in the field of MS glue and its preparation, can solve the problems of harmfulness to human body and environment, many asphalt waterproof coatings, poor anti-aging performance, etc., and achieve excellent waterproof performance and anti-aging performance. Excellent, substrate adaptable effect

Inactive Publication Date: 2020-03-24
上海永韬热熔胶有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Bituminous waterproof coatings contain more harmful components, which are harmful to human body and environment
In addition, polyurethane waterproof coatings, acrylic waterproof coatings, polymer waterproof coatings, and asphalt waterproof coatings cannot work in water, and the construction is complicated, and there are problems such as weak bonding, poor anti-aging performance, and short life.

Method used

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  • MS sealant and preparation method thereof
  • MS sealant and preparation method thereof

Examples

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preparation example Construction

[0051] The second aspect of the present invention provides a method for preparing MS glue, which at least includes the following steps: mixing silane-terminated polyether, polyether polyol, and filler and stirring at 40-60°C for 1-3 hours to prepare MS glue.

[0052] In a preferred embodiment, the preparation method of the MS glue at least includes the following steps: mixing the silane-terminated polyether, the polyether polyol, and the filler, and then stirring at 50° C. for 2 hours to prepare the MS glue.

[0053] Hereinafter, the present invention is described in more detail through examples, but it should be understood that these examples are only illustrative and not restrictive. In addition, all raw materials are commercially available unless otherwise specified.

Embodiment 1

[0056] Embodiment 1 of the present invention provides an MS glue, which comprises the following components in parts by weight: 25 parts of silane-terminated polyether, 15 parts of polyether polyol, and 60 parts of filler.

[0057] The number average molecular weight of the silane-terminated polyether is 25,000.

[0058] The silane-terminated polyether is a silyl-terminated polyether, purchased from Jinjinle (Hunan) Chemical Co., Ltd.

[0059] The number average molecular weight of the polyether polyol is 3000.

[0060] The polyether polyols were purchased from Jinjinle (Hunan) Chemical Co., Ltd.

[0061] The filler is calcium carbonate, fumed white carbon black and titanium dioxide.

[0062] In parts by weight, there are 48 parts of calcium carbonate, 2 parts of fumed white carbon black, and 10 parts of titanium dioxide.

[0063] The calcium carbonate is pretreated calcium carbonate.

[0064] The pretreatment method of the calcium carbonate is: drying the calcium carbonate...

Embodiment 2

[0067] Example 2 of the present invention provides an MS glue, comprising the following components in parts by weight: 20 parts of silane-terminated polyether, 10 parts of polyether polyol, and 54.5 parts of filler.

[0068] The number average molecular weight of the silane-terminated polyether is 20,000.

[0069] The silane-terminated polyether is a silyl-terminated polyether, purchased from Jinjinle (Hunan) Chemical Co., Ltd.

[0070] The number average molecular weight of the polyether polyol is 1000.

[0071] The polyether polyols were purchased from Jinjinle (Hunan) Chemical Co., Ltd.

[0072] The filler is calcium carbonate, fumed white carbon black and titanium dioxide.

[0073] In parts by weight, there are 45 parts of calcium carbonate, 1.5 parts of fumed white carbon black, and 8 parts of titanium dioxide.

[0074] The calcium carbonate is pretreated calcium carbonate.

[0075] The pretreatment method of the calcium carbonate is: drying the calcium carbonate at 6...

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Abstract

The invention relates to the technical field of high polymer materials, in particular to an MS sealant and a preparation method thereof. The MS sealant at least comprises the following components in parts by weight: 20-30 parts of silane-terminated polyether, 10-20 parts of polyether polyol and 54.5-64.5 parts of a filler. According to the invention, the MS sealant is prepared from the silane-terminated polyether, the polyether polyol and the filler; the silane-terminated polyether, the polyether polyol and the filler have a good synergistic effect; and the prepared MS sealant is free of toxicity, friendly to environment and peculiar smell, high in adaptability to substrates, capable of being well bonded with various substrates, firm in bonding, excellent in ageing resistance, long in service life, operable in water, convenient and simple to construct and excellent in waterproof performance.

Description

technical field [0001] The invention relates to the technical field of polymer materials, more specifically, the invention relates to a MS glue and a preparation method thereof. Background technique [0002] Waterproof materials refer to materials that can prevent the leakage of rainwater, snow water or groundwater. At present, the waterproof materials used in the market mainly include polyurethane waterproof coatings, acrylic waterproof coatings, polymer waterproof coatings, and asphalt waterproof coatings. [0003] Polyurethane waterproof coatings are prepolymers containing isocyanate groups formed by addition polymerization of isocyanate and polyether, together with catalysts, anhydrous additives, anhydrous fillers, solvents, etc., and processed through mixing and other processes One-component polyurethane waterproof coating. Polyurethane waterproof coatings are generally made of polyurethane and asphalt as raw materials. When using such coatings, they are generally dil...

Claims

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Application Information

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IPC IPC(8): C09J171/00C09J11/04
CPCC08K2003/2241C08K2003/265C08L2205/025C09J11/04C09J171/00C08L71/00C08K7/26C08K3/26C08K3/22
Inventor 李海涛
Owner 上海永韬热熔胶有限公司
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