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Method for preparing rubber reinforced composite powder

A composite powder and reinforcement technology, which is applied in the treatment of dyed organic silicon compounds, dyed low-molecular organic compounds, fibrous fillers, etc., can solve the problems of rubber products without reinforcement performance and low production costs, and achieve easy control , easy operation and cost reduction effect

Active Publication Date: 2015-07-01
HUNAN JINMA NEW MATERIAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] my country's non-metallic mineral resources are very rich, and the production cost is low. The price of non-mineral powder fillers is much lower than that of carbon black and white carbon black. effect

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] 600Kg powdered quartz (D 50 =3.2μm), 400Kg kaolin (D 50 =4.8μm) and 400Kg wollastonite (D 50 =4.6μm) into a high-speed mixer to stir and heat, add 5KgKH-550 and 8KgSB-181 modifier at a speed of 500 r / min and a temperature of 120°C, and discharge after stirring for 20 minutes.

Embodiment 2

[0014] 625Kg powdered quartz (D 50 =8.6μm), 250Kg kaolin (D 50 =9.2μm) and 125Kg wollastonite (D 50 =8.9μm) into a high-speed mixer to stir and heat, add 10KgKH-570 and 5KgSB-181 modifiers at a speed of 1000 r / min and a temperature of 110°C, and discharge after stirring for 40 minutes.

Embodiment 3

[0016] 500Kg of powdered quartz (D 50 =7.8μm), 375Kg kaolin (D 50 =8.1μm) and 125Kg wollastonite (D 50 =9.0μm) into a high-speed mixer to stir and heat, add 8KgKH-550 and 8KgSB-J modifier at a speed of 750 r / min and a temperature of 115°C, and discharge after stirring for 30 minutes.

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PUM

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Abstract

The invention relates to a method for preparing rubber reinforced composite powder. The method comprises the following steps of stirring mixed powder of quartz powder, kaolin and wollastonite, of which the meso-position grain size is not greater than 10 microns, in a high-speed mixer while heating, adding a silane coupling agent and a modifying agent SB-181 or SB-J at the revolution rate of 500-1,000r / min and the temperature of 105-120 DEG C, stirring for 20-40 minutes, and then, discharging, wherein the dosage of the silane coupling agent is 0.5-1.0% the mass of the mixed powder, and the dosage of the modifying agent SB-181 or SB-J is 0.5-0.8% the mass of the mixed powder.

Description

technical field [0001] The invention relates to a method for preparing rubber reinforcing composite powder, which belongs to the technical field of non-metallic mineral powder surface modification. Background technique [0002] The rubber industry is an important pillar industry in the national economy, and it is closely related to industry, agriculture, transportation, national defense construction and people's lives. [0003] In the manufacturing process of rubber products, a large amount of fillers (fillers) are usually added. Reinforcing fillers can improve the mechanical properties of rubber, such as improving tensile strength, abrasion resistance, tear strength and elongation stress, so as to improve performance and prolong service life. [0004] my country's non-metallic mineral resources are very rich, and the production cost is low. The price of non-mineral powder fillers is much lower than that of carbon black and white carbon black. effect. Non-reinforci...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09C1/42C09C3/12C09C3/08C08K9/10C08K3/36C08K3/34C08L7/00
Inventor 葛鹤松李舟蔡有兴李浩
Owner HUNAN JINMA NEW MATERIAL TECH CO LTD
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