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Modifying laminated silicate, nano composite polyethylene-laminated silicate material and their prepn.

A nano-composite material and layered silicate technology, which is applied in the field of modified layered silicate, polyethylene-layered silicate nanocomposite materials and their preparation, can solve the problem of poor compatibility and difficult preparation of polymer Ethylene and other problems, to achieve outstanding high temperature performance, good strength and comprehensive performance, and improve performance

Inactive Publication Date: 2003-01-08
宋渝吉
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The reason why it is difficult to prepare polyethylene-layered silicate nanocomposites is that polyethylene is a non-polar polymer, while layered silicate and its treatment agent are polar substances, and the compatibility between the two is poor.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Add 2.5g of treatment agent to 500ml ethanol solution of 80-200 mesh montmorillonite by weight, reflux reaction for 4 hours, filter, wash with ethanol until ion-free, vacuum dry to constant weight, grind until modified montmorillonite is obtained earth.

Embodiment 2

[0030] Add 0.5 g of treating agent to 10 wt % of 100-250 mesh talc in 500 ml of methanol, reflux for 4 hours, filter, wash with ethanol until ion-free, vacuum-dry to constant weight, and grind to obtain modified montmorillonite.

Embodiment 3

[0032] In the 500ml aqueous solution of 10wt% 150-300 mesh hectorite and montmorillonite (weight ratio 1:1), add 20g treatment agent, react at room temperature for 4 hours, filter, and wash with ethanol until ion-free, and vacuum-dry to Constant weight, grinding to obtain modified montmorillonite.

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PUM

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Abstract

The invention discloses a kind of denatured layer-shape silicate, the nano polyethene compounded of the layer-shape silicate and the polythene, and the method of preparation. The mentioned denatured layer-shape silicate is the layer-shaped silicate of 60-90 wt%, and after processed by the processing agent of 1-40 wt%, the layer-shape silicate and the processing agent make the ion-exchange reaction or the surface chemical reaction, and when the polymer is inserted in the layer of the layer-shape silicate, the polyethene-layer-shape silicate nano complex materials come into being; the mentioned polythene-layer-shape silicate nano complex materials includes: the polyethene of 50-98 wt%, the denatured layer-shape silicate of 1-40 wt% and the assistant agent of 1-30 wt%; the nano polythene compounded of the denatured layer-shape silicate.

Description

field of invention [0001] The invention relates to a modified layered silicate and nano polyethylene, in particular to a modified layered silicate, a polyethylene-layered silicate nanocomposite material and a preparation method thereof Background technique [0002] Polyolefin is the most produced synthetic polymer material in the world, which has the advantages of low price and convenient processing. As a general-purpose plastic, its disadvantages are low strength and poor heat resistance. The shortcomings of polyethylene are even more prominent. It is difficult to take into account the strength and toughness of composite materials by using traditional composite modification methods. Although cross-linked polyethylene can improve the performance of materials, it causes environmental pollution because the product cannot be recycled or reused. [0003] With the development of nanotechnology, in recent years, a method for preparing nanomaterials by embedding montmorillonite o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08K3/34C08K9/00C08L23/06
Inventor 宋渝吉
Owner 宋渝吉
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