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Low-radioactivity background waterproof sealing adhesive tape and preparation method thereof

A waterproof sealing, low-radioactive technology, applied in the direction of adhesives, film/sheet adhesives, adhesive additives, etc., can solve the problems of low radioactive background, unsatisfactory, limited application range, etc., and achieve good compatibility Effect

Inactive Publication Date: 2020-02-18
SHENYANG RUBBER RES & DESIGN INST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But its disadvantage is that it cannot meet the application requirements of some important and high-end fields (such as nuclear power field, national key experimental projects). Sealed state, thus limiting its range of application

Method used

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  • Low-radioactivity background waterproof sealing adhesive tape and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048]In this embodiment, a low-radioactive background waterproof sealing tape is provided, including the following components: 10 parts of butyl rubber, 5 parts of diene rubber, 35 parts of medium molecular weight polyisobutylene, 15 parts of low molecular weight polyisobutylene, hydrophobic filler 20 parts of strong agent, 7.5 parts of hydrophobic filler, 7.5 parts of hydrogenated tackifying resin.

Embodiment 2

[0050] In this embodiment, a low-radioactive background waterproof sealing tape is provided, including the following components: 9 parts of butyl rubber, 4.5 parts of diene rubber, 32 parts of medium molecular weight polyisobutylene, 14 parts of low molecular weight polyisobutylene, hydrophobic filler 18 parts of strong agent, 7 parts of hydrophobic filler, 7 parts of hydrogenated tackifying resin.

Embodiment 3

[0052] In this embodiment, a low-radioactive background waterproof sealing tape is provided, which includes the following components: 11 parts of butyl rubber, 5.5 parts of diene rubber, 38 parts of medium molecular weight polyisobutylene, 16 parts of low molecular weight polyisobutylene, hydrophobic filler 22 parts of strengthening agent, 8 parts of hydrophobic filler, and 8 parts of hydrogenated tackifying resin.

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Abstract

The embodiment of the invention discloses a low-radioactivity background waterproof sealing adhesive tape. The waterproof sealing adhesive tape comprises the following components in parts by weight: 9-11 parts of butyl rubber, 4.5-5.5 parts of diene rubber, 30-40 parts of medium molecular weight polyisobutene, 12-18 parts of low molecular weight polyisobutene, 18-22 parts of a hydrophobic reinforcing agent, 7-8 parts of a hydrophobic filler and 7-8 parts of hydrogenated tackifying resin. The embodiment of the invention also provides a preparation method of a low-radioactivity background waterproof sealant.

Description

technical field [0001] The invention relates to the technical field of waterproof sealing tape, in particular to a low-radioactive background waterproof sealing tape and a preparation method thereof. Background technique [0002] Due to its excellent bonding strength, the waterproof sealing tape has strong adaptability to interface deformation and cracking, stable chemical properties, reliable water resistance, sealing and low temperature resistance, good followability, simple construction and operation process, and does not contain any Solvent, safety and environmental protection and other advantages, and are widely used in many fields such as construction, automobile, industry, municipal engineering, military industry and so on. [0003] There are many grades of waterproof sealing tapes in the domestic market. Commonly used raw materials include: the main raw material is a polymer based on isobutylene, the filler is calcium carbonate, clay, carbon black, white carbon black...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J7/30C09J123/20C09J123/22C09J11/04C09J11/06C09J11/08C09J7/10
CPCC08K2003/265C08L2205/025C08L2205/035C09J11/04C09J11/06C09J11/08C09J123/22C09J2423/00C09J7/10C09J7/30C08L23/22C08L97/005C08K9/06C08K9/04C08K3/36C08K7/06C08K3/04C08K3/26C08K3/346
Inventor 卢天骥尹雪宇金人海王崇朱江
Owner SHENYANG RUBBER RES & DESIGN INST CO LTD
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