Unlock instant, AI-driven research and patent intelligence for your innovation.

A kind of high hardness insulating rubber and preparation method thereof

A technology of insulating rubber and high hardness, which is applied in the field of high hardness insulating rubber and its preparation. It can solve the problems of large fluctuations in product quality, large heat generation, and easy rubber scorching, etc., to improve the processing process, low heat generation, and rubber surface. Smooth and flat effect

Active Publication Date: 2018-12-28
TIANJIN RUBBER IND RES INST
View PDF6 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method generates a lot of heat during the rubber processing process, the rubber is prone to scorch, and the product quality fluctuates greatly.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] Embodiment 1: a kind of high hardness insulating rubber, the parts by weight of each raw material is composed of:

[0046] 1,4 trans polyisoprene 100;

[0047] Phenolic resin 10;

[0048] Qiangwei Powder GTC 30;

[0049] Stearic acid 1;

[0050] Zinc oxide 3;

[0051] Antiaging agent A 1;

[0052] Antiaging agent 4010NA 1;

[0053] Accelerator DM 1;

[0054] Accelerator TMTD 0.5;

[0055] Sulfur 1;

[0056] Accelerator H 1;

[0057] Turn off the circulating water, heat the rollers of the mill to 60-80°C, add 1,4 trans polyisoprene, after plasticizing the rollers, add phenolic resin, mix well and add Qianwei powder GTC, hard Fatty acid, zinc oxide, anti-aging agent A, anti-aging agent 4010NA, accelerator DM; after mixing, turn on the circulating water, control the roller temperature at 60-70°C, add accelerator TMTD, sulfur, accelerator H; after mixing Thin pass 5 times for the next film.

[0058] Take the composition to test the vulcanization curve. The vulcan...

Embodiment 2

[0060] Embodiment 2: a kind of high hardness insulating rubber, the parts by weight of each raw material is composed of:

[0061] 1,4 trans polyisoprene 100;

[0062] Phenolic resin 20;

[0063] Qiangwei Powder GTC 20;

[0064] Stearic acid 2;

[0065] Zinc oxide 4;

[0066] Antiaging agent A 2;

[0067] Antiaging agent 4010NA 2;

[0068] Accelerator DM 2;

[0069] Accelerator TMTD 0.2;

[0070] Sulfur 3;

[0071] Accelerator H2;

[0072] According to the preparation method of Example 1, high-hardness insulating rubber is made, and after testing, its performance is:

[0073] T10 / s

Embodiment 3

[0074] Embodiment 3: a kind of high hardness insulating rubber, the parts by weight of each raw material is composed of:

[0075] 1,4 trans polyisoprene 100;

[0076] Phenolic resin 30;

[0077] Qiangwei Powder GTC 10;

[0078] Stearic acid 3;

[0079] Zinc oxide 5;

[0080] Antiaging agent A 3;

[0081] Antiaging agent 4010NA 3;

[0082] Accelerator DM 3;

[0083] Accelerator TMTD 0.1;

[0084] Sulfur 2;

[0085] Accelerator H3;

[0086] According to the preparation method of Example 1, high-hardness insulating rubber is made, and after testing, its performance is:

[0087] T10 / s

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
electrical resistivityaaaaaaaaaa
electrical resistivityaaaaaaaaaa
electrical resistivityaaaaaaaaaa
Login to View More

Abstract

A kind of high-hardness insulating rubber and its preparation method, turn off the circulating water of the mill, heat the roll temperature to 60-80°C, add trans-polyisoprene, plasticize the roll, add phenolic resin, mix After mixing, add Qianwei powder GTC, stearic acid, zinc oxide, anti-aging agent A, anti-aging agent 4010NA, accelerator DM; after mixing, turn on the circulating water, control the roller temperature at 60‑70 °C, add accelerator TMTD, sulfur , Accelerator H; Botong tablet after mixing. The advantages of the present invention are: when trans-polyisoprene and phenolic resin are used together, when the temperature exceeds 60°C, the Mooney decreases rapidly, the heat generation in the processing process is low, and the product performance is stable; when the temperature is lower than 40°C, the composition crystallizes and the hardness is rapid Elevated, reaching above 90 (Sho A). Apply Qiangwei powder GTC to improve the processing process, the rubber surface is smooth and flat, and the rubber hardness and volume resistivity are improved. The volume resistivity of the products all meet the requirements of 1×1010Ω·cm.

Description

technical field [0001] The invention belongs to a method for preparing rubber, in particular to a high-hardness insulating rubber and its preparation method. Background technique [0002] High-hardness insulating rubber is used to manufacture high-speed railway insulation buffer plates. The backing plate requires a hardness of more than 90 (Shore A) and a volume resistivity of 1×10 10 Ω·cm or more. There are two ways to conventionally manufacture high-hardness insulating rubber: 1. Add more than 100 parts of white carbon black to the rubber. Since silica is acidic, adding a large amount of silica will affect the rubber vulcanization process, resulting in insufficient vulcanization of the product and affecting product performance. 2. More than 50 parts of high styrene are added to the rubber. This method generates a lot of heat during the rubber processing, the rubber is prone to scorching, and the product quality fluctuates greatly. Contents of the invention [0003] ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): C08L9/00C08L61/06C08K13/02C08K5/09C08K3/22C08K3/06C08K5/18C08K3/34
CPCC08L9/00C08L61/06C08K13/02C08K5/09C08K2003/2296C08K3/06C08K5/18C08K3/34
Inventor 商宏超张合霞陈宝明
Owner TIANJIN RUBBER IND RES INST
Features
  • R&D
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com