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Composite modified montmorillonite rubber functional filler with flame retardant and reinforcing performance

A technology of composite modification and functional filler, applied in the field of composite modified montmorillonite rubber functional filler and its preparation, can solve the problems of low added value of montmorillonite utilization, single performance, poor compatibility, etc., and achieve high resource utilization. The effect of value-added recycling, increasing interlayer spacing and specific surface area, and reducing industry costs

Inactive Publication Date: 2019-02-15
ANHUI UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the high price and single performance of reinforcing fillers in the existing rubber industry, flame retardant fillers do not have reinforcing properties, montmorillonite directly added to rubber is prone to agglomeration, and the compatibility between the inorganic interface of montmorillonite and the organic interface of rubber Poor problem, and the problem of low added value of montmorillonite utilization, the present invention provides a composite modified montmorillonite rubber functional filler with flame retardant and reinforcing properties, in order to solve the above problems

Method used

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  • Composite modified montmorillonite rubber functional filler with flame retardant and reinforcing performance
  • Composite modified montmorillonite rubber functional filler with flame retardant and reinforcing performance
  • Composite modified montmorillonite rubber functional filler with flame retardant and reinforcing performance

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Taking the preparation of product 100g of the present invention as an example, the components used and their mass proportions are:

[0021]

[0022] The mass ratio of silane coupling agent KH550 and stearic acid in described silane coupling agent KH550-stearic acid mixed solution is 1:2, and silane coupling agent KH550 is industrial pure, and stearic acid is analytical pure; The mass ratio of absolute ethanol to acetone in the water ethanol-acetone mixture is 3:1, the absolute ethanol is analytically pure, and the acetone is industrial pure; the montmorillonite is calcium-based montmorillonite.

[0023] First, montmorillonite and water were mixed uniformly at a stirring speed of 2500r / min for 7h and allowed to stand for 6h to obtain a montmorillonite solution; hexadecyltrimethylammonium bromide and 3mL concentrated hydrochloric acid were stirred to obtain a protonated solution, And under the conditions that the stirring speed is 2500r / min and the stirring temperature...

Embodiment 2

[0025] Taking the preparation of product 100g of the present invention as an example, the components used and their mass proportions are:

[0026]

[0027] The mass ratio of silane coupling agent KH550 and stearic acid in described silane coupling agent KH550-stearic acid mixed solution is 1:1, and silane coupling agent KH550 is industrial pure, and stearic acid is analytical pure; The mass ratio of absolute ethanol to acetone in the water ethanol-acetone mixture is 1:3, the absolute ethanol is analytically pure, and the acetone is industrial pure; the montmorillonite is magnesium-based montmorillonite.

[0028] First, the montmorillonite and water were uniformly mixed at a stirring speed of 4000r / min for 4h and allowed to stand for 6h to obtain a montmorillonite solution; cetyltrimethylammonium bromide and 5mL of concentrated hydrochloric acid were stirred to obtain a protonated solution, And under the condition that the stirring speed is 4000r / min and the stirring tempera...

Embodiment 3

[0030] Taking the preparation of product 100g of the present invention as an example, the components used and their mass proportions are:

[0031]

[0032]

[0033] The mass ratio of silane coupling agent KH550 and stearic acid in described silane coupling agent KH550-stearic acid mixed solution is 3:1, and silane coupling agent KH550 is industrial pure, and stearic acid is analytical pure; The mass ratio of absolute ethanol to acetone in the water ethanol-acetone mixture is 2:1, the absolute ethanol is analytically pure, and the acetone is industrial pure; the montmorillonite is sodium-based montmorillonite.

[0034] First, mix montmorillonite and water uniformly at a stirring speed of 3500r / min for 6h and let stand for 6h to obtain a montmorillonite solution; stir cetyltrimethylammonium bromide and 2mL concentrated hydrochloric acid to obtain a protonated solution, And under the conditions that the stirring speed is 3500r / min and the stirring temperature is 80°C, the a...

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Abstract

The invention discloses composite modified montmorillonite rubber functional filler with flame retardant and reinforcing performance and belongs to the field of high-added-value utilization of resources. The composite modified montmorillonite rubber functional filler comprises hexadecyl trimethyl ammonium bromide, water, a silane coupling agent KH550-stearic acid mixed solution, an absolute ethylalcohol-acetone mixed solution and montmorillonite. The montmorillonite is calcium-based montmorillonite, sodium-based montmorillonite, sodium-calcium-based montmorillonite or magnesium-based montmorillonite. The problems that in existing rubber industry, reinforcing filler is high in price and single in function, flame retardant filler has no reinforcing performance, montmorillonite aggregates very easily after being directly added to rubber, the compatibility of inorganic interfaces of montmorillonite and organic interfaces of rubber is poorer and the utilized added value of montmorilloniteis low are solved, high-added-value recycling of resources is realized, and the filler has great significance in reducing the cost of the rubber product industry.

Description

technical field [0001] The invention belongs to the field of high value-added utilization of resources, and in particular relates to a composite modified montmorillonite rubber functional filler with flame-retardant and reinforcing properties and a preparation method thereof. Background technique [0002] As a polymer material, rubber is widely used in fields closely related to people's lives, such as traffic vehicle tires, tapes, hoses, waterproof materials, etc. In the process of rubber preparation and processing, it is not only necessary to add reinforcing fillers to improve the mechanical properties, processing properties and filling compatibilities of rubber; but also to add flame retardant fillers to improve the combustion performance of rubber. At present, the reinforcing filler is mainly carbon black or white carbon black, whose production process is complicated and consumes a lot of energy and resources, resulting in a market price of 6,000-8,000 yuan / ton; flame-ret...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08K13/06C08K9/02C08K9/04C08K9/06C08K3/34C08K3/22C08K3/04C08L21/00
CPCC08K13/06C08K3/04C08K3/22C08K3/346C08K9/02C08K9/04C08K9/06C08K2003/2296C08L2201/02C08L21/00
Inventor 张浩范威威龙红明徐远迪唐刚黄新杰
Owner ANHUI UNIVERSITY OF TECHNOLOGY
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