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A kind of air tightness enhancer and its preparation method and application
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An air-tightness enhancer and pan technology, which is applied in building components, building insulation materials, construction, etc., can solve the problems of unsatisfactory properties of rubber materials, and achieve the effects of shortening vulcanization time, good processing and dispersion performance, and low cost
Active Publication Date: 2016-08-24
SHANDONG YANGGU HUATAI CHEM
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[0002] In the process of modern rubber processing, airtightness enhancers are mainly used for innerliner rubber to improve the airtightness of rubber products such as tires; currently, most tire companies use brominated butyl rubber (BIIR) and chlorobutyl Rubber (CIIR) produces innerliner rubber. In order to reduce costs, methods such as increasing the amount of styrene-butadiene rubber (SBR) in the rubber compound, adding butyl rubber (IIR) reclaimed rubber and calcium carbonate to reduce the rubber content, etc., but the rubber compound Performance is not ideal
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Embodiment 1
[0051] An airtightness enhancer, comprising the following components by weight:
[0052] 60 parts of component A, 20 parts of component B, 15 parts of component C, 5 parts of component D;
[0058] Melt component A, add component C and component D to activate the temperature, control the temperature between 110-130°C, add component B after 30 minutes, mix evenly, cool down and make tablets or melt granulate to obtain air tightness enhancer.
Embodiment 2
[0060] An airtightness enhancer, comprising the following components by weight:
[0061] 50 parts of component A, 30 parts of component B, 15 parts of component C, 5 parts of component D;
[0074] The preparation method is the same as in Example 1.
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Abstract
The invention relates to an airtightness enhancer and its preparation method and application. The airtightness enhancer comprises the following ingredients in parts by weight: 40-80 parts of component A, 10-30 parts of component B, and 10-20 parts of component C , component D5‑10 parts; component A is petroleumpitch; component B is calciumstearate, fly ash, talcum powder, light calciumcarbonate, vermiculite, kaolin, clay, micapowder, montmorillonite Component C is a mixture of one or more of pentaerythritolstearate, glyceryl monostearate, fatty acid alkanolamide, hydrogenated oil; component D is fatty alcohol poly One or two or more of oxyethylene ether, Span, and Tween are mixed. The airtightness enhancer of the invention can promote the mixing between rubbers, improve the uniformity of the mixed rubber, and increase the airtightness of the airtight layer.
Description
technical field [0001] The invention relates to an air tightness enhancer and its preparation method and application, belonging to the technical field of fine chemicals. Background technique [0002] In the process of modern rubber processing, airtightness enhancers are mainly used for innerliner rubber to improve the airtightness of rubber products such as tires; currently, most tire companies use brominated butyl rubber (BIIR) and chlorobutyl Rubber (CIIR) produces innerliner rubber. In order to reduce costs, methods such as increasing the amount of styrene-butadiene rubber (SBR) in the rubber compound, adding butyl rubber (IIR) reclaimed rubber and calciumcarbonate to reduce the rubber content, etc., but the rubber compound The performance is not ideal. Contents of the invention [0003] Aiming at the deficiencies in the prior art, the invention provides an airtightness enhancer and its preparation method and application. [0004] Technical scheme of the present inve...
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