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Epoxy Waterproofing System Containing Modifiers
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A modifier and epoxy technology, applied in the field of waterproof compositions, can solve problems affecting the use efficiency and engineering safety, and achieve the effect of improving heat resistance and chemical stability
Active Publication Date: 2016-11-23
TIANJIN SAILANG TECH DEV
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Abstract
Description
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Problems solved by technology
[0004] The performance of the existing epoxy waterproof system in terms of heat resistance and chemical resistance needs to be improved, which seriously affects the use efficiency and engineering safety
Method used
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Embodiment 1
[0016] The preparation of embodiment one target product 1
[0017] Take 20 parts of bisphenol A type epoxy resin, 6 parts of acrylic acid / methacrylate polyol ester, and mix to obtain A1; take 10 parts of bisphenol F type epoxy resin, 6 parts of epoxy butyl oleate, epoxy stearin 6 parts of octyl ester, 6 parts of epoxidized triglyceride, 6 parts of epoxy tetrahydrophthalate dioctyl, mixed to obtain A2; take A1, A2, and add tertiary amine as curing accelerator, mix to prepare The target product 1 was obtained.
Embodiment 2
[0018] The preparation of embodiment two target product 2
[0019] Take 30 parts of bisphenol A type epoxy resin, 8 parts of acrylic acid / methacrylate polyol ester, and mix to obtain A1; take 5 parts of bisphenol F type epoxy resin, 7 parts of epoxy butyl oleate, epoxy stearin 5 parts of octyl ester, 5 parts of epoxidized triglyceride, 5 parts of epoxy tetrahydrophthalate dioctyl, mixed to obtain A2; take A1, A2, and add tertiary amine as curing accelerator, mix to prepare The target product 2 was obtained.
Embodiment 3
[0020] The preparation of embodiment three target product 3
[0021] Take 25 parts of bisphenol A type epoxy resin, 10 parts of acrylic acid / methacrylate polyol ester, and mix to obtain A1; take 8 parts of bisphenol F type epoxy resin, 8 parts of epoxy butyl oleate, epoxy stearin 8 parts of octyl ester, 7 parts of epoxidized triglyceride, 7 parts of epoxy tetrahydrophthalate dioctyl, mixed to obtain A2; take A1 and A2, and add tertiary amine as curing accelerator, mix to prepare The target product 3 was obtained.
[0022] Test example 1 Construction temperature test
[0023] Table 1 Construction temperature range test results
[0024] testing sample
[0025] target product 1
[0026] Test conclusion: the invention greatly improves the heat resistance of the epoxy waterproof system and expands its construction temperature range.
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Abstract
The invention provides a modifier-containing epoxy waterproof system which comprises bisphenol A epoxy resin and a modifier thereof, and bisphenol F epoxy resin and a modifier thereof, wherein the content of the bisphenol A epoxy resin is 20-30 wt%, and the content of the bisphenol F epoxy resin is 5-10 wt%. Proper modifiers and contents thereof are screened according to the epoxy waterproof system with specific component variety and content, thereby greatly enhancing the heat resistance and chemical stability of the epoxy waterproof system.
Description
technical field [0001] The invention relates to a waterproof composition, in particular to an epoxy waterproof system containing a modifier. Background technique [0002] Epoxy resin (Epoxy Resin) refers to the general term for compounds that contain two or more epoxy groups in their molecular structure and can form a three-dimensional network cured product under appropriate chemical reagents. It is an important class of thermosetting resins. Epoxy resins include both epoxy-containing oligomers and epoxy-containing low-molecular compounds. As the resin matrix of adhesives, coatings and composite materials, epoxy resin is widely used in the fields of water conservancy, transportation, machinery, electronics, home appliances, automobiles and aerospace. [0003] Modifier is the abbreviation of modified admixture. Any admixture that can improve and enhance the various properties of magnesium cement can be called a modifier. Modified admixture is a general term for this type o...
Claims
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Application Information
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