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Rubber material with antibacterial and mold-proof function and preparation method of rubber material

A rubber material, antibacterial and anti-mildew technology, applied in the field of rubber materials with anti-bacterial and anti-mildew function and its preparation, can solve the problems of infrastructure engineering impact, shortened service life of rubber products, etc., with simple method, easy to obtain raw materials, excellent antibacterial Effects of function and mechanical strength

Inactive Publication Date: 2017-11-17
WUHU BLUE SKY ENG PLASTIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The object of the present invention is to provide a rubber material with antibacterial and antifungal functions and its preparation method, which solves the problem that ordinary rubber materials are easily corroded by mold or mold hyphae in humid and low temperature environments and cause physical penetration, resulting in rubber The service life of the product is greatly shortened and has a serious impact on infrastructure projects

Method used

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preparation example Construction

[0014] The present invention provides a kind of preparation method of the rubber material with antibacterial and antifungal function, it is characterized in that, described preparation method comprises:

[0015] (1) Mix EPDM rubber, carbon black, zinc oxide, stearic acid and paraffin oil, and carry out the first internal mixing at 60-80°C to obtain the first mixed rubber;

[0016] (2) mixing the first mixed rubber, nano-alumina, anti-aging agent and accelerator, and performing the second internal mixing at 85-95°C to obtain the second mixed rubber;

[0017] (3) Add the second mixed rubber into the vulcanizer, extrude and vulcanize to obtain rubber materials; wherein, the conditions for extrusion vulcanization include: the temperature of the head is 65-70°C, the temperature of the extrusion section of the barrel 50-55°C, the temperature of the plasticizing section of the barrel is 70-75°C, and the temperature of the screw is 50-55°C.

[0018] In a preferred embodiment of the p...

Embodiment 1

[0031] Mix 100g EPDM rubber, 4g carbon black, 4g zinc oxide, 14g stearic acid and 4g paraffin oil (the mixing temperature is 40°C, and the mixing time is 20mim), and carry out the first internal mixing at 60°C , to obtain the first compound rubber; 100g of the first compound rubber, 6g of nano-alumina, 3g of anti-aging agent and 2g of accelerator were mixed (the mixing temperature was 30°C, and the mixing time was 10min), and the second compound was carried out at 85°C. Secondary internal mixing to obtain the second mixed rubber; put the second mixed rubber into the vulcanizer, extrude and vulcanize to obtain the rubber material A1; wherein, the extrusion conditions include: the temperature of the machine head is 65°C, The temperature of the extrusion section of the barrel is 50°C, the temperature of the plasticizing section of the barrel is 70°C, and the temperature of the screw is 50°C. 240°C, the third stage temperature is 200°C, and the fourth stage temperature is 180°C. ...

Embodiment 2

[0033] Mix 100g EPDM rubber, 6g carbon black, 6g zinc oxide, 16g stearic acid and 7g paraffin oil (the mixing temperature is 50°C, and the mixing time is 30mim), and carry out the first internal mixing at 80°C , to obtain the first compound rubber; 100g of the first compound rubber, 8g of nano-alumina, 5g of anti-aging agent and 3g of accelerator were mixed (the mixing temperature was 40°C, and the mixing time was 20min), and the second compound was carried out at 95°C. Secondary internal mixing to obtain the second mixed rubber; put the second mixed rubber into the vulcanizer, extrude and vulcanize to obtain the rubber material A2; wherein, the extrusion conditions include: the temperature of the machine head is 70°C, The temperature of the extrusion section of the barrel is 55°C, the temperature of the plasticizing section of the barrel is 75°C, and the temperature of the screw is 55°C. 260°C, the third stage temperature is 210°C, and the fourth stage temperature is 190°C. ...

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Abstract

The invention relates to the field of preparation of rubber, and discloses a rubber material with an antibacterial and mold-proof function and a preparation method of the rubber material. The preparation method comprises the following steps: mixing EPDM (Ethylene-Propylene-Diene Monomer), carbon black, zinc oxide, stearic acid and paraffin oil, mixing for the first time at 60 to 80 DEG C, and obtaining primary mixed rubber; mixing the primary mixed rubber, nano aluminum oxide, an anti-aging agent and an accelerant, mixing for the second time at 85 to 95 DEG C, and obtaining secondary mixed rubber; and adding the secondary mixed rubber into a vulcanizing machine, extruding and vulcanizing, and obtaining the rubber material. By adopting the rubber material, the problems of the ordinary rubber material that physical penetration is generated due to the invasion of mold or mold mycelium in a damp and low-temperature environment, the service life of a rubber product is greatly shortened, and the civil construction engineering is severely influenced can be solved.

Description

technical field [0001] The invention relates to the field of rubber preparation, in particular to a rubber material with antibacterial and antifungal functions and a preparation method thereof. Background technique [0002] Rubber materials are often used for connection sealing joints in underground engineering pipelines, permanent deformation joints for infrastructure projects when concrete is poured in place, and high-elastic sealing rubber for subways, tunnels, culverts, water conservancy and other projects. Waterstop. Rubber products such as sealing joints, permanent deformation joints, and waterstops used in engineering are mostly in humid and high and low temperature environments, and due to various reasons, the compounding agent is precipitated or sprayed out from the inside of the rubber material. Physical penetration occurs in the environment due to the erosion of mold or mycelium, which greatly shortens the service life of rubber products and has a serious impact ...

Claims

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Application Information

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IPC IPC(8): C08L23/16C08L91/06C08K13/02C08K3/04C08K3/22C08K5/09B29C47/92B29C35/02B29B7/00B29C48/92
CPCC08L23/16B29B7/002B29C35/02B29C48/92B29C2948/92704C08K2003/2227C08K2003/2296C08K2201/003C08K2201/011
Inventor 钱万水
Owner WUHU BLUE SKY ENG PLASTIC CO LTD