阅读说明：本技术 一种温变橡胶 (Temperature-variable rubber ) 是由 唐志明 梁常贵 于 2020-12-08 设计创作，主要内容包括：本发明公开了一种温变橡胶,按重量份包括,丁二烯橡胶24.26％、丁晴橡胶19.4％、天然橡胶19.4％、超细白炭黑26.68％、聚乙二醇2.43％、1801硬脂酸0.6％、防护蜡0.24％、综合防老剂1.94％、综合促进剂0.66％、均匀增粘剂0.97％、耐磨剂0.73％、997氧化锌2.67％；将各成分按重量份在炼胶机中混炼,获得的橡胶材料在常温23℃下硬度为68-73HA,0℃环境下冻6小时硬度变为80-85HA,-10℃环境下冻1小时硬度变为88-93HA,橡胶材料的硬度能在低温环境下随环境温度降低而提高,适用于低温地区及雪地鞋、靴类产品有助于提高橡胶制品的抗低温脆性、提高使用寿命。(The invention discloses a temperature-change rubber, which comprises, by weight, 24.26% of butadiene rubber, 19.4% of nitrile rubber, 19.4% of natural rubber, 26.68% of ultrafine white carbon black, 2.43% of polyethylene glycol, 0.6% of 1801 stearic acid, 0.24% of protective wax, 1.94% of comprehensive anti-aging agent, 0.66% of comprehensive accelerator, 0.97% of uniform tackifier, 0.73% of wear-resisting agent and 2.67% of 997 zinc oxide; the rubber material obtained by mixing the components in parts by weight in a rubber mixing mill HAs the hardness of 68-73HA at the normal temperature of 23 ℃, the hardness of 80-85HA after being frozen for 6 hours at the temperature of 0 ℃ and the hardness of 88-93HA after being frozen for 1 hour at the temperature of-10 ℃, the hardness of the rubber material can be improved along with the reduction of the environmental temperature under the low-temperature environment, and the rubber mixing mill is suitable for low-temperature areas and products such as snowshoes and boots, and is beneficial to improving the low-temperature brittleness resistance of rubber products and prolonging the service life.)

1. A temperature-variable rubber comprises, by weight,

2. the temperature-variable rubber as claimed in claim 1, wherein the butadiene rubber is BR1208, the nitrile rubber is NBR4975F, the natural rubber is S1605, the ultra-fine white carbon black is 180 meshes, the polyethylene glycol is PEG-4000, the protective wax is 4060 protective wax, the uniform tackifier is RH-100AN, and the wear-resistant agent is SI-50.

3. The temperature-sensitive rubber according to claim 1 or 2, wherein the integrated antioxidant consists of 0.97% by weight of antioxidant W002 and 0.97% by weight of antioxidant W018.

4. A temperature-sensitive rubber according to claim 1 or 2, wherein the combination accelerator consists of 0.48% by weight of accelerator C012 and 0.18% by weight of accelerator H006.

Technical Field

The invention belongs to the technical field of rubber products, and particularly relates to rubber with hardness becoming hard along with temperature reduction, which is suitable for low-temperature areas and snowfield shoes and boots.

Background

The rubber used in the environment of some low temperature areas at present has weak brittleness resistance to low temperature, and for example, the rubber material used in the products such as snowshoes and boots has limited service life in the low temperature areas. Therefore, if a rubber material whose hardness can be increased with a decrease in ambient temperature in a low-temperature environment can be developed, it contributes to the service life of rubber products used in such a low-temperature area environment.

Disclosure of Invention

Aiming at the defects of the prior art, the invention aims to provide the temperature-change rubber which is suitable for low-temperature areas and products such as snowshoes and boots, and the hardness of the temperature-change rubber can be improved along with the reduction of the ambient temperature in a low-temperature environment.

In order to achieve the purpose, the invention adopts the following technical scheme:

a temperature-variable rubber comprises the following components in parts by weight,

the temperature-variable rubber with the formula is mixed in a rubber mixing mill, the hardness of the obtained rubber material is 68-73HA at the normal temperature of 23 ℃, the hardness of the rubber material is changed into 80-85HA after being frozen for 6 hours at 0 ℃ and is changed into 88-93HA after being frozen for 1 hour at 10 ℃, the hardness of the rubber material can be improved along with the reduction of the environmental temperature at low temperature, and the rubber material is suitable for low-temperature areas and products of snow shoes and boots, and is beneficial to improving the low-temperature brittleness resistance of rubber products and prolonging the service life.

Preferably, the butadiene rubber adopts BR1208, the nitrile rubber adopts NBR4975F, the natural rubber adopts S1605, the superfine white carbon black is 180 meshes, the polyethylene glycol adopts PEG-4000, the protective wax adopts 4060 protective wax, the uniform tackifier adopts RH-100AN, and the wear-resisting agent adopts SI-50.

Preferably, the comprehensive anti-aging agent consists of 0.97 percent (weight part) of anti-aging agent W002 and 0.97 percent (weight part) of anti-aging agent W018.

Preferably, the combination accelerator consists of 0.48% (parts by weight) of accelerator C012 and 0.18% (parts by weight) of accelerator H006.

The invention has the following beneficial effects:

the temperature-variable rubber is prepared by mixing the components in parts by weight in a rubber mixing mill, the hardness of the obtained rubber material is 68-73HA at the normal temperature of 23 ℃, the hardness of the obtained rubber material is 80-85HA after being frozen at 0 ℃ for 6 hours, and the hardness of the obtained rubber material is 88-93HA after being frozen at 10 ℃ for 1 hour.

Detailed Description

The present invention will be further described with reference to specific examples in order to more clearly understand the technical idea of the present invention as claimed.

The temperature-variable rubber comprises the following components in parts by weight,

the butadiene rubber is BR1208, the nitrile rubber is NBR4975F, the natural rubber is S1605, the superfine white carbon black is 180 meshes, the polyethylene glycol is PEG-4000, the protective wax is 4060 protective wax, the uniform tackifier is RH-100AN, and the wear-resisting agent is SI-50. The comprehensive anti-aging agent consists of 0.97 percent (weight portion) of anti-aging agent W002 and 0.97 percent (weight portion) of anti-aging agent W018. The comprehensive accelerator consists of 0.48 percent (weight portion) of accelerator C012 and 0.18 percent (weight portion) of accelerator H006.

The temperature-variable rubber of the formula is mixed in a rubber mixing mill, 12g of S-80, 1-2g of TBZ-75 and 2-3g of P008 are added into the rubber mixing mill, the mold pressing temperature is 155-.

Various other changes and modifications to the above-described embodiments and concepts will become apparent to those skilled in the art from the above description, and all such changes and modifications are intended to be included within the scope of the present invention as defined in the appended claims.