Processing method of heat conducting capsules

A processing method and capsule technology, which is applied in the processing field of heat-conducting capsules, can solve the problems that the heat-conducting speed and service life of tire bladders are difficult to meet market demand, and achieve the effects of shortening vulcanization time, reducing costs, and accelerating preheating speed

Inactive Publication Date: 2008-10-08
东营金泰轮胎胶囊有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The tire bladder produced by this method has been difficult to meet

Method used

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  • Processing method of heat conducting capsules

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0007] Embodiment 1, the weight percent of raw material is: 301 butyl rubber 35, 1675 type butyl rubber 20, chloroprene rubber 2.5, zinc oxide 2.5, electrostatic agent 2, carbon black 12, acetylene carbon black 17, heat conducting agent 2, castor Sesame oil 2, WS resin 5. The processing technology is as follows: the raw materials except zinc oxide and WS resin are sent to the first section of mixing, and the rubber is taken out after mixing for 3 minutes, and the pieces are dropped in the first section of φ550 5 times, and the triangular bag is made 5 times, alternately, after the completion, the next piece is parked for 12 ~24 hours later. After filtering, add WS resin and zinc oxide in the second stage, add rubber at 40°C in the second stage process, knead for 60 seconds, add WS resin, knead for 60 seconds, clean for 60 seconds, and discharge glue not exceeding 110°C. To park for 12 to 24 hours. Then carry out subsequent processes such as extrusion molding, rubber baking, ...

Example Embodiment

[0008] Embodiment 2, the weight percent of raw material is: 301 butyl rubber 38.5, 1675 type butyl rubber 16.5, neoprene 3, zinc oxide 2, electrostatic agent 1.5, carbon black 11.5, acetylene carbon black 18, heat conducting agent 1, castor Sesame oil 3, WS resin 5. Processing technology is with embodiment 1.

Example Embodiment

[0009] Embodiment 3, the percentage by weight of the raw material of prior art processing common capsule is: 301 butyl rubber 57, neoprene 3.0, zinc oxide 3.0, carbon black 28, castor oil 3.5, resin 4.8, stearic acid 0.7. Its process steps are basically the same as the above-mentioned embodiment.

[0010] The following table provides a group of experimental contrast data of above-mentioned embodiment and common capsule

[0011]

[0012] Supplementary explanation: Compared with the commonly used carbon black (card N326), acetylene carbon black has the characteristics of light specific gravity, excellent electrical conductivity and thermal conductivity. , to solve the loss problem. The heat conduction agent is P-400 heat conduction agent, which is a kind of heat conduction aid. The electrostatic agent is Yaoxing electrostatic agent, which can prevent acetylene carbon black from generating static electricity in the rubber compound.

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Abstract

The invention relates to the machining method of a heat conduction tire bladder. The technical proposal of the invention includes the steps of mixing the materials, milling, extruding and forming, adhesive drying, vulcanization, edging and examination; wherein, the composition of the raw materials and the weight ratio are adjusted to: 50-67 portions of butyl rubber, 2-4 portions of chloroprene rubber, 2-4 portions of zinc dioxide, 1-2 portions of static agent, 8-15 portions of carbon black, 15-25 portions of acetylene carbon black, 1-3 portions of thermal conduction agent, 2-3 portions of castor oil and 4-5 portions of WS resin. The machining method of the heat conduction tire bladder has the advantages of (1) indicated in the thermal conduction experiment and compared with the common capsule, the thermal conduction speed is increased by 4 DEG C; (2) indicated in the client application experiment, the service life is increased by 15% generally due to the fast thermal conduction speed and the shortened vulcanization time; (3) the tire vulcanization time is shortened; the production efficiency of tires is improved; the cost is reduced by 5% for the tire manufacturer; (4) because the thermal conduction is fast, the preheating speed is increased when the new tire bladder is in use, the quality of the tire is ensured to be more stable.

Description

technical field [0001] The invention relates to a processing method of a heat conduction bladder in the technical field of rubber tire vulcanization bladder processing. Background technique [0002] At present, the processing technology of tire curing bladder mainly includes (1) mixing ingredients; (2) mixing; (3) extrusion; (4) baking; (5) vulcanization; (6) trimming; (7) inspection. The raw materials used mainly include butyl rubber 301, carbon black, stearic acid, castor oil, zinc oxide and resin. The tire bladder produced by this method has been difficult to meet the market demand in heat conduction speed and service life. Contents of the invention [0003] The object of the present invention is to provide a processing method for heat-conducting capsules with fast heat-conducting speed and long service life in view of the defects existing in the prior art. [0004] The technical scheme of the invention includes: mixing ingredients, kneading, extruding, rubber drying,...

Claims

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Application Information

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IPC IPC(8): C09K5/14C08J5/00C08L23/22C08K3/04C08L11/00C08L91/00
Inventor 高学明季新国
Owner 东营金泰轮胎胶囊有限公司
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