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Preparation method of environment-friendly tire tread rubber

An environment-friendly, tire surface technology, applied in the field of tire surface adhesives, can solve the problems of difficult to obtain the influence of surface rubber performance, difficult to know the impact of tread rubber, poor environmental protection, etc., to achieve enhanced mechanical properties, meet normal use performance, The effect of improving environmental protection

Inactive Publication Date: 2019-07-30
HEBEI JIASHICHENG ENERGY TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The application of this starch in the field of surface glue has not been found in the existing literature, so the research on the effect of starch addition on the performance of surface glue is not very mature
[0005] Chinese patent document (notification number: CN106928518B) discloses a carbon nanotube composite high-performance tire tread rubber, which is made from the following raw materials in parts by weight: 100 parts of environmentally friendly reclaimed rubber, 50-60 parts of carbon nanotube masterbatch 40-60 parts of pyrolysis carbon black, 80-100 parts of natural rubber, 15-25 parts of zinc oxide, 8-12 parts of dibutyl tin dichloride, 5-9 parts of coupling agent, 8-12 parts of vulcanizing agent The present invention also discloses its application in high-performance tire tread, and this document has provided every performance of tread rubber, but adding environment-friendly type starch does not provide corresponding performance, thereby starch adds to tread rubber influence hard to know
[0006] Such as the Chinese patent literature (publication number: CN109021326A) discloses a kind of anti-aging tread rubber for tires, including the following raw materials in parts by weight: 100 parts of natural rubber, 32-42 parts of jute modified waste rubber, 30 parts of carbon nanotube masterbatch -40 parts, 2-6 parts of stearic acid, 12-18 parts of nano additives, 1-3 parts of isocyanatopropyl triethoxysilane, 6-10 parts of talcum powder, 1-3 parts of antioxidant, medium-speed accelerator 2.2-2.6 parts of agent, 0.6-1.2 parts of fast accelerator, 12-18 parts of vulcanizing agent; The technical scheme given by the tread rubber for carbon nanotube composite high-performance tires is the same, and starch is added to enhance environmental protection, but the performance impact of the tread rubber is difficult to obtain

Method used

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  • Preparation method of environment-friendly tire tread rubber

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A kind of preparation method of environment-friendly tire tread rubber of the present embodiment comprises the following steps:

[0027] Step 1: Add 65 parts of environmentally friendly reclaimed rubber, 20 parts of modified acetylated distarch adipate, and 5 parts of triethanolamine to the internal mixer for banburying, and then add 3 parts of polyvinylpyrrolidone, 1 Part of melamine, continue banburying 10min, then add 5 parts of white carbon black, 2 parts of cellulose-grafted chitosan, 3 parts of graphene oxide, continue banburying 30min, obtain pre-use material;

[0028] Step 2: Continue to knead the pre-used material and tackifying resin in Step 1 according to the weight ratio of 10:1 for 10 seconds, then send them into a screw extruder for extrusion, and then store them at a temperature of 2°C for 1 hour;

[0029] Step 3, then add sulfur and accelerator C into the final mixing internal mixer, knead at 15r / min for 1min, then carry out gelling at 100°C, and finally...

Embodiment 2

[0038] A kind of preparation method of environment-friendly tire tread rubber of the present embodiment comprises the following steps:

[0039] Step 1: Add 75 parts of environmentally friendly reclaimed rubber, 30 parts of modified acetylated distarch adipate, and 10 parts of triethanolamine to the internal mixer for banburying. After 30 minutes of banburying, add 6 parts of polyvinylpyrrolidone, 2 1 part of melamine, continue banburying 20min, then add 9 parts of white carbon black, 3 parts of cellulose grafted chitosan, 7 parts of graphene oxide, continue banburying 40min, obtain the pre-used material;

[0040] Step 2: Continue to knead the pre-used material and tackifying resin in Step 1 according to the weight ratio of 10:1 for 30 seconds, then send them into a screw extruder for extrusion, and then store them at a temperature of 5°C for 2 hours;

[0041] Step 3, then add sulfur and accelerator C into the final mixing internal mixer, knead at 25r / min for 2min, then carry o...

Embodiment 3

[0051] A kind of preparation method of environment-friendly tire tread rubber of the present embodiment comprises the following steps:

[0052] Step 1, add 70 parts of environmentally friendly reclaimed rubber, 25 parts of modified acetylated distarch adipate, and 7.5 parts of triethanolamine to the internal mixer for internal mixing, and then add 4.5 parts of polyvinylpyrrolidone, 1.5 Part of melamine, continue banburying 15min, then add 7 parts of white carbon black, 2.5 parts of cellulose grafted chitosan, 5 parts of graphene oxide, continue banburying 35min, obtain pre-use material;

[0053] Step 2: Continue to knead the pre-used materials and tackifying resin in step 1 according to the weight ratio of 10:1 for 20 seconds, then send them into a screw extruder for extrusion, and store them at a temperature of 3.5°C for 1.5 hours;

[0054] Step 3, then add sulfur and accelerator C into the final mixing internal mixer, mix at 20r / min for 1.5min, then carry out glue production...

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Abstract

The invention discloses a preparation method of environment-friendly tire tread rubber. The preparation method includes the following steps that 1, 65-75 parts of environment-friendly reclaimed rubber, 20-30 parts of modified acetylated double-starch adipate and 5-10 parts of triethanolamine are sequentially added into an internal mixer to be mixed, after the materials are mixed for 20-30 min, 3-6parts of polyvinylpyrrolidone and 1-2 parts of melamine are added, and the materials continue to be mixed for 10-20 min. Environmental friendliness serves as the purpose, the added environment-friendly reclaimed rubber is reused after being secondarily treated, the manufacturing cost is saved, environmental friendliness is improved, the acetylated double-starch adipate has the performance such ashigh viscosity and heat resistance and is applied to the tire tread rubber, no corresponding scheme is provided yet in existing documents, the acetylated double-starch adipate is firstly modified andthen treated with citric acid, and activated energy is improved.

Description

technical field [0001] The invention relates to the technical field of tire tread glue, in particular to a preparation method of an environment-friendly tire tread glue. Background technique [0002] Tires are circular elastic rubber products that are rolled on the ground and rolled on various vehicles or machinery. Usually installed on metal rims, it can support the body, buffer external impact, realize contact with the road surface and ensure the driving performance of the vehicle. Tires are often used under complex and harsh conditions, and they are subjected to various deformations, loads, forces, and high and low temperature effects during driving, so they must have high load-bearing performance, traction performance, and cushioning performance. At the same time, it is also required to have high wear resistance and flex resistance, as well as low rolling resistance and heat generation. Half of the world's rubber consumption is used for tire production. It can be seen ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L17/00C08L3/06C08L39/06C08L5/08C08K13/02C08K3/34C08K5/3492C08K3/04C08K3/36C08J11/10B60C1/00
CPCB60C1/0016C08J11/10C08L17/00C08L2205/035C08L3/06C08L39/06C08L5/08C08K13/02C08K3/34C08K5/34922C08K3/042C08K3/36Y02W30/62
Inventor 程殿武杨明美朱德伟朱德荣
Owner HEBEI JIASHICHENG ENERGY TECH CO LTD