Brombutyl curing bladder and production method thereof

A technology of bromobutyl rubber and vulcanization bladder, which is applied in the direction of coating, etc., can solve the problem of no advantage in production efficiency, and achieve the effects of reducing raw material costs, saving energy consumption, and improving production efficiency

Active Publication Date: 2008-10-15
SHANGHAI TIRE & RUBBER TIRE RES INST
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In this way, the injection method has no ad

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  • Brombutyl curing bladder and production method thereof

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Embodiment Construction

[0012] Further elaborate content of the present invention below in conjunction with accompanying drawing

[0013] As shown in Table 1, the bromobutyl vulcanization bladder of the present invention is characterized in that it uses bromobutyl rubber and butyl rubber as the main body of raw rubber, based on 100g of raw rubber main body, wherein the butyl rubber is 50g to 90g ; Bromobutyl rubber is 10g ~ 50g; the bromobutyl vulcanization capsule also contains zinc oxide, stearic acid, 7530E vulcanization resin, magnesium oxide, protective wax, super wear-resistant carbon black, castor oil, and their weights are respectively For: 3g~5g, 0.2g~2g, 5g~9g, 0.1g~0.5g, 0.5g~2g, 43g~50g, 2g~5g. In a specific embodiment of the present invention, the indirect zinc oxide is used for zinc oxide, tertiary stearic acid is used for stearic acid, light magnesium oxide is used for magnesium oxide, and the model of Zhongchao wear-resistant carbon black is N220. The paraffin wax is used as the prot...

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Abstract

The invention discloses a butyl bromide sulfuration capsule, which is characterized in that butyl bromide rubber and butyl rubber are taken as a raw rubber body, the capsule also comprises the compositions in weight percentage: 3 to 5 percent of zinc oxide, 0.2 to 2 percent of stearine, 5 to 9 percent of 7530E resin, 0.1 to 0.5 percent of magnesia and 2 to 100 percent of protective wax, wherein, in the raw rubber body, the butyl rubber is between 50 and 90 percent and the butyl bromide rubber is between 10 and 50 percent. In the formulation of the capsule, the butyl bromide rubber and the butyl rubber are taken as the raw rubber body; meanwhile, the butyl bromide rubber is between 10 and 50 percent in the raw rubber. Compared with the butyl rubber, the butyl bromide rubber has the characteristics of good heat-resistant quality, good autohension and high sulfuration speed. The contrast test shows that if the capsule product with the same thickness is made by using the mixture ratio, the sulfuration speed is shortened by half and the physical performance of the product is the same in the condition of the same sulfuration temperature.

Description

technical field [0001] The invention relates to a formula and a process of a vulcanization capsule, in particular to a bromobutyl vulcanization capsule produced by an injection method and a production method thereof. Background technique [0002] Traditional vulcanization bladders are produced by molding. The formula adopts butyl rubber / neoprene / resin compound system. The capsule is vulcanized at a temperature of 180-200°C, and the vulcanization time is 1-2 hours. After vulcanization, a cold mold is required to continue vulcanization. If the injection method is used to produce vulcanization bladders, if the traditional formula remains unchanged, cold molding or lowering the vulcanization temperature must be adopted. The injection method has no advantage in improving production efficiency like this. The traditional vulcanizing bladder compound is generally mixed in two stages, and the discharge temperature of the first stage must reach above 160°C. The formulation of the n...

Claims

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Application Information

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IPC IPC(8): C08J5/00C08J3/24C08L9/00C08L15/02C08K5/09B29C45/00B29C47/36B29C35/02B29B7/28B29B7/02C08L91/06
CPCB29C47/54B29B7/005B29B7/183B29B7/7495B29B7/90B29B7/40
Inventor 蒋琦庄文俊
Owner SHANGHAI TIRE & RUBBER TIRE RES INST
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