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Zeolite anti-blocking agents

An anti-blocking agent, zeolite technology, applied in the field of zeolite anti-blocking agent, can solve the problem of increasing wear and tear of related machine parts

Inactive Publication Date: 2005-05-11
严而明
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, the use of such a hard anti-blocking agent will increase the wear of the relevant machine parts

Method used

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  • Zeolite anti-blocking agents
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  • Zeolite anti-blocking agents

Examples

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Effect test

Embodiment Construction

[0068] According to the above theory, after doing a lot of screening and experiments, we found that a special zeolite named EXP5700-1 produced and sold by Degussa AG Company in Germany can meet the above requirements. In the production of PE and PP film materials, EXP5700-1 is a particularly good anti-blocking agent. It can not only ensure the high transparency of the membrane material, but also has many other advantages. Like other zeolites, the refractive index of EXP5700-1 is 1.50 (see "Handbook of Plastic Additives", edited by Hans Zweifel, fifth edition, Munich: Chinese translation, 2000, p.588).

[0069] Zeolites are crystalline hydrated aluminosilicates with the common chemical formula Me n y / n [(SiO 2 ) x (AlO 2 ) y ]*zH 2 O. Wherein, Me is an alkali metal or a basic refractory metal oxide cation. The physical and chemical data analysis of EXP5700-1 is shown in Table 1 below:

[0070] Table 1

[0071] Properties and testing methods

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Abstract

The plastic film material disclosed now includes (a) polyethylene (PE) or polypropylene (PP) and (b) zeolite as an anti-blocking agent. The secondary particles of this zeolite consist of aggregates of its primary particles, and most of the secondary particles are less than 0.4 microns in diameter. The primary particle diameter is also less than 0.4 microns. The master batches used to produce such plastic films consist of (a) polyethylene or polypropylene and (b) zeolite as an antiblocking agent. The secondary particles of this zeolite consist of aggregates of its primary particles, and most of the secondary particles are less than 0.4 microns in diameter. The primary particle diameter is also less than 0.4 microns.

Description

technical field [0001] This invention includes not only a plastic film consisting at least mainly of polyethylene (PE) or polypropylene (PP), but also (1) an anti-blocking agent, (2) the use of zeolite as an anti-blocking agent in the production of the film A blocking agent, (3) a masterbatch for producing the film material, and (4) a set of methods for producing the antiblocking agent masterbatch required for the film material. (5) PP or PE resin containing an antiblocking agent and a method of producing the resin. Background technique [0002] Anti-blocking agent is such a commonly used and effective additive in film production that almost all films contain it. Such as figure 1 As shown, in film production, when the plastic raw material 12 passes through the roller set 14, it is still hot and squeezed before being wound onto the reel 14a. Such as figure 2 As shown, when the rewound film material 16 is under the action of the roller pressure, the roller tension and the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08J3/22C08J5/18C08K3/34C08K7/10C08L23/02
CPCC08J3/226C08J5/18C08J2323/06C08J2323/10C08J2423/00C08K3/34Y10T428/268Y10T428/254C08L23/02
Inventor 严而明
Owner 严而明
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