Polymer alloy for rubber ducts and preparation method thereof

A polymer alloy, rubber hose technology, applied in the direction of pipes, pipes/pipe joints/pipes, rigid pipes, etc., can solve the problems of ozone resistance, wear resistance, low weather resistance, short service life, etc., to improve the smoothness, Lower production cost and less permanent deformation

Active Publication Date: 2012-12-26
河南亿博科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Existing rubber materials for rubber hoses have low ozone resistance, abrasion resistance, and weather aging resistance, and their service life is relatively short in open air environments.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] A polymer alloy material for hoses, the formula is as follows: CM135B 30 kg, NBR3305 80 kg, magnesium oxide 6 kg, coumarone resin 6 kg, high wear-resistant carbon black 35 kg, general-purpose carbon black 80 kg, white carbon black 15 kg, dibutyl ester 12 kg, sulfur 2.5 kg, accelerator CZ 1.5 kg, compound vulcanizing agent EataMix TCHC 8 kg, aromatic oil 20 kg, antioxidant RD 1.5 kg, scorch inhibitor CTP 0.8 kg, kaolin 25 kg.

[0020] The steps of the preparation method of the polymer alloy material for the hose are as follows:

[0021] (1) Plasticizing CM135B and NBR3305 through an open mixer, passing 6 times with a roll distance of 0.5mm, fully plasticizing; then put them into an internal mixer at 120°C for another 5 minutes to obtain a masterbatch;

[0022] (2) After the masterbatch is pressed, put in gumarone resin and magnesium oxide at 105℃ for 3 minutes; put in accelerator CZ, antioxidant RD, and antiscorching agent CTP at 120℃ for 3 minutes; then Put in high wear-resis...

Embodiment 2

[0025] A polymer alloy material for hoses, the formula is as follows: CM135B 20 kg, NBR3305 70 kg, magnesium oxide 4 kg, coumarone resin 4 kg, high wear-resistant carbon black 25 kg, general-purpose carbon black 60 kg, silica 5 kg, dibutyl ester 6 kg, sulfur 1.2 kg, accelerator CZ 0.5 kg, compound vulcanizing agent EataMix TCHC 3 kg, aromatic oil 10 kg, antioxidant RD 0.5 kg, scorch inhibitor CTP 0.3 kg, kaolin 15 kg.

[0026] The steps of the preparation method of the polymer alloy material for the hose are as follows:

[0027] (1) Plasticizing CM135B and NBR3305 through an open mill, passing through 6 times, with a roll distance of 0.5mm, fully plasticizing; then put them into an internal mixer at 100°C for another 3 minutes to obtain a masterbatch;

[0028] (2) After the masterbatch is pressed, put in gumarone resin and magnesium oxide at a temperature of 95°C and press for 1 minute; put in accelerator CZ, antioxidant RD, and antiscorching agent CTP at 110°C, press for 1 minute; t...

Embodiment 3

[0031] A polymer alloy material for hoses, the formula is as follows: CM135B 20-30 kg, NBR3305 70-80 kg, magnesium oxide 4-6 kg, coumarone resin 4-6 kg, high wear-resistant carbon black 25-35 kg, General purpose carbon black 60-80 kg, white carbon black 5-15 kg, dibutyl ester 6-12 kg, sulfur 1.2-2.5 kg, accelerator CZ 0.5-1.5 kg, compound vulcanizing agent EataMix TCHC 3-8 kg, Aromatic oil 10-20 kg, anti-aging agent RD 0.5-1.5 kg, anti-scorching agent CTP 0.3-0.8 kg, kaolin 15-25 kg.

[0032] The polymer alloy material for the hose is preferably made of the following raw materials in parts by weight: CM135B 24-28 kg, NBR3305 72-75 kg, magnesium oxide 4-6 kg, coumarone resin 4-6 kg, high Wear-resistant carbon black 30-32 kg, general-purpose carbon black 65-75 kg, white carbon black 8-10 kg, dibutyl ester 8-10 kg, sulfur 1.5-2 kg, accelerator CZ 1-1.2 kg, compound type Vulcanizing agent EataMix TCHC 4-6 kg, aromatic oil 15-18 kg, anti-aging agent RD 1-1.2 kg, anti-scorching agent ...

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Abstract

The invention discloses polymer alloy for rubber ducts. The alloy comprises the following raw materials in part by weight: 20 to 30 parts of CM135B, 70 to 80 parts of NBR3305, 4 to 6 parts of magnesium oxide, 4 to 6 parts of coumarone resin, 25 to 35 parts of high abrasion carbon black, 60 to 80 parts of general purpose carbon black, 5 to 15 parts of white carbon black, 6 to 12 parts of dibutyl ester, 1.2 to 2.5 parts of sulphur, 0.5 to 1.5 parts of accelerating agents CZ, 3 to 8 parts of composite curing agents EataMixTCHC, 10 to 20 parts of distilled aromatic extracts(DAE), 0.5 to 1.5 parts of anti-aging agents RD, 0.3 to 0.8 part of antiscorching agents CTP and 15 to 25 parts of white bole. According to the invention, the alloy improves the abrasion resistance, the ozone aging resistance, the weathering ageing resistance and the fire resistance of acrylonitrile-butadiene rubber, improves the rolling and the extruding of rubber stocks, improves the fineness of the rubber stocks, reduces shrinking percentage, improves the tensile strength and the tearing resistance of the rubber stocks, has small permanent deformation, improves the oil resistance and the corrosion resistance of the rubber stocks, prolongs the service life, effectively reduces production costs and further increases the quality of products.

Description

Technical field [0001] The invention relates to a polymer alloy material for a hose and a preparation method thereof. Background technique [0002] Supplement the shortcomings of the existing technology. [0003] The existing rubber hose has low ozone resistance, abrasion resistance and weather aging resistance, and has a short service life in the open air. Summary of the invention [0004] The technical problem to be solved by the present invention is to provide a polymer alloy material for a hose. [0005] The technical scheme of the present invention is: a polymer alloy material for hoses, which is made of the following parts by weight of raw materials: CM135B 20-30, NBR3305 70-80, magnesium oxide 4-6, coumarone resin 4-6 , High wear-resistant carbon black 25-35, general purpose carbon black 60-80, white carbon black 5-15, dibutyl ester 6-12, sulfur 1.2-2.5, accelerator CZ 0.5-1.5, compound vulcanizing agent EataMix TCHC 3-8, aromatic oil 10-20, antioxidant RD 0.5-1.5, scorch in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L9/02C08L45/02C08K13/02C08K3/04C08K3/34C08K3/36C08K3/22C08K5/10F16L9/12
Inventor 李彦红王金良张春华
Owner 河南亿博科技股份有限公司
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