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Novel rubber tire isolation release agent and preparation method thereof

A rubber tire and release agent technology, applied in the field of rubber additives, to achieve the effects of easy use, mold surface protection and excellent effect

Inactive Publication Date: 2012-12-19
HIGH & NEW TECH RES CENT OF HENAN ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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  • Novel rubber tire isolation release agent and preparation method thereof

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Effect test

Embodiment 1

[0015] (1) Accurately measure 60ml of ethanol, 30ml of propylene glycol, 25ml of distilled water, weigh 4.0g of emulsifier OP-10, weigh 1.6g of sodium stearate, and 15ml of calcium chloride solution with a concentration of 1M. In a 250ml three-neck flask, stir to form a transparent solution. Make sodium carbonate into an aqueous solution with a concentration of 1M, accurately pipette 15.15ml of sodium carbonate solution, slowly add it dropwise into a three-necked flask, and stir while adding dropwise. -1h to obtain active nano-calcium carbonate dispersion emulsion. The average particle size of the nano-calcium carbonate determined by the light scattering method is 40-60nm, and the crystal form of the nano-calcium carbonate is cubic when observed by a transmission electron microscope.

[0016] (2) Weigh 40g of polyethylene glycol with an average molecular weight of 2000, 4.0g of emulsifier OP-10, 1.0g of emulsifier Textol 1310, measure 80ml of distilled water, add it into a 25...

Embodiment 2

[0020] (1) Accurately measure 70ml of absolute ethanol, 10ml of ethylene glycol, weigh 5 g of polyethylene glycol (average molecular weight 1000) aqueous solution with a concentration of 2% by mass, 1.5g of emulsifier AEO3, 4.0g of emulsifier Textol 1310, 7.5g oleic acid, 30ml calcium chloride solution with a concentration of 1M, add it into a 250ml three-neck flask with a stirring reflux device, and stir to form a transparent solution. Make sodium carbonate into an aqueous solution with a concentration of 1M, accurately pipette 30.5ml of sodium carbonate solution, slowly add it dropwise into a three-necked flask, and stir while adding dropwise. -3.0h to obtain active nano-calcium carbonate dispersion emulsion. The average particle size of the nano-calcium carbonate determined by the light scattering method is 40-60nm, and the crystal form of the nano-calcium carbonate is cubic when observed by a transmission electron microscope.

[0021] (2) Weigh 40g of silicone oil with an...

Embodiment 3

[0024] (1) Accurately measure 17ml of absolute ethanol, 10g of polyethylene glycol (average molecular weight 1000) aqueous solution with a concentration of 3% by mass, weigh 2.0g of emulsifier TW60, 0.5g of emulsifier TW80, weigh Take 6.25g of stearic acid and 52.63ml of calcium chloride solution with a concentration of 2.5M, add them into a 250ml three-necked flask with a stirring reflux device, and stir to form a transparent solution. Make sodium carbonate into an aqueous solution with a concentration of 2.5M, accurately pipette 50.5ml of sodium carbonate solution, slowly add it dropwise into a three-necked flask, and stir while adding dropwise. 0.5h to obtain active nano-calcium carbonate dispersion emulsion. The average particle size of the nano-calcium carbonate determined by the light scattering method is 40-60nm, and the crystal form of the nano-calcium carbonate is cubic when observed by a transmission electron microscope.

[0025] (2) Weigh 40 g of polyethylene wax w...

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Abstract

The invention discloses a novel rubber tire isolation release agent and a preparation method thereof and belongs to the field of rubber auxiliary agents. The preparation method comprises the following steps of preparing active nanometer calcium carbonate from water-soluble calcium chloride and sodium carbonate as main raw materials, and compounding the active nanometer calcium carbonate and an organic film-forming matter into the novel rubber tire isolation release agent. The novel rubber tire isolation release agent obtained by the preparation method is suitable for isolation between rubber materials and separation between the rubber materials and a mold in tire production, has good effects, is convenient for use, has no pollution, is safe and reliable, and is convenient for mold surface cleaning.

Description

technical field [0001] The invention relates to a rubber tire isolation release agent and a preparation method thereof, belonging to the field of rubber additives. Background technique [0002] Rubber tire release agent is an important auxiliary agent in the production process of rubber tires, which can improve product appearance and performance, and improve product quality. Commonly used release agents include waxes, silicone oils, soaps, etc., each with its own characteristics; while the commonly used release agents are mainly inorganic powders such as talcum powder, etc., there are fatal defects of dust pollution and whitening of the product during use At present, it is necessary to develop an isolation release agent that overcomes the above defects and has both advantages. [0003] Nano-calcium carbonate refers to calcium carbonate with a particle size between 1-100nm, which can be used as a reinforcing agent for plastics, rubber, polymer resins, etc., to improve produc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C33/60C08L83/04C08L23/06C08L71/08C08K9/04C08K9/02C08K3/26
Inventor 褚艳红张国宝刘清庞海岩余守志刘珂珂赵根锁
Owner HIGH & NEW TECH RES CENT OF HENAN ACAD OF SCI
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