Anti-sticking master batch, preparation method thereof and film

A masterbatch and film technology, which is applied in its preparation method and the field of film and anti-adhesive masterbatch, can solve the problems of increased film haze, reduced gloss, and inability to reduce the friction coefficient of the film surface, so as to increase the packaging speed , reduce the coefficient of friction, improve the effect of anti-blocking effect

Inactive Publication Date: 2020-09-01
广东高博尔新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, although the anti-adhesion masterbatch made of ordinary amorphous silica materials has excellent anti-adhesion effect of the film, its disadvantage is that the haze of the film increases and the gloss decreases after use, and it cannot reduce the film thickness. Effect of Surface Coefficient of Friction

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] This embodiment provides a kind of anti-adhesive masterbatch, and its preparation method comprises the following steps:

[0022] (1) Take polypropylene 700g, polymethyl methacrylate 100g, antioxidant 2g, standby; Wherein, polypropylene resin is random copolymerization polypropylene; Antioxidant is phenolic antioxidant; Polymethacrylic acid The methyl ester is spherical polymethyl methacrylate in the shape of microbeads, and its particle diameter is 5 μm.

[0023] (2) After mixing polypropylene, polymethyl methacrylate and antioxidant, cooling to room temperature to obtain a mixture.

[0024] (3) After the mixture is fed into a twin-screw extruder and melted and extruded, then cooled, pelletized and dried to obtain the environmentally friendly paper masterbatch. Wherein, the extrusion temperature of the twin-screw extruder is controlled at 200°C, the current is controlled at 200mA, the rotating speed is controlled at 350rpm, the head pressure is controlled at 6Mpa, and ...

Embodiment 2

[0026] This embodiment provides a kind of anti-adhesive masterbatch, and its preparation method comprises the following steps:

[0027] (1) Take by weighing polypropylene 1000g, polymethyl methacrylate 50g, antioxidant 8g, for subsequent use; Wherein, polypropylene resin is homopolypropylene; Antioxidant is phosphite antioxidant; Polymethylmethacrylate Methyl acrylate is spherical polymethyl methacrylate in the shape of microbeads, and its particle diameter is 15 μm.

[0028] (2) After mixing polypropylene, polymethyl methacrylate and antioxidant, cooling to room temperature to obtain a mixture.

[0029] (3) After the mixture is fed into a twin-screw extruder and melted and extruded, then cooled, pelletized and dried to obtain the environmentally friendly paper masterbatch. Wherein, the extrusion temperature of the twin-screw extruder is controlled at 230°C, the current is controlled at 240mA, the rotating speed is controlled at 400rpm, the head pressure is controlled at 15Mp...

Embodiment 3

[0031] This embodiment provides a kind of anti-adhesive masterbatch, and its preparation method comprises the following steps:

[0032] (1) Take by weighing polypropylene 800g, polymethyl methacrylate 90g, antioxidant 4g, standby; Wherein, polypropylene resin is block copolymerized polypropylene; Antioxidant is sulfur antioxidant; Polymethacrylic acid The methyl ester is spherical polymethyl methacrylate in the shape of microbeads, and its particle diameter is 10 μm.

[0033] (2) After mixing polypropylene, polymethyl methacrylate and antioxidant, cooling to room temperature to obtain a mixture.

[0034] (3) After the mixture is fed into a twin-screw extruder and melted and extruded, then cooled, pelletized and dried to obtain the environmentally friendly paper masterbatch. Wherein, the extrusion temperature of the twin-screw extruder is controlled at 215°C, the current is controlled at 220mA, the rotating speed is controlled at 380rpm, the head pressure is controlled at 10Mp...

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Abstract

The invention is suitable for the technical field of films, and provides an anti-sticking master batch, a preparation method thereof and a film, the anti-sticking master batch comprises the followingcomponents by weight: 70-100 parts of polypropylene, 5-10 parts of polymethyl methacrylate, and 0.2-0.8 part of an antioxidant; wherein the polymethyl methacrylate is spherical polymethyl methacrylatein a microsphere shape. The anti-sticking master batch provided by the invention can be applied to a thin film, has extremely small influence on haze and glossiness of the thin film, has no negativeinfluence on other properties of the thin film, and can reduce the friction coefficient of the thin film and improve the anti-sticking effect of the thin film.

Description

technical field [0001] The invention belongs to the technical field of films, and in particular relates to an anti-adhesive masterbatch, a preparation method thereof and a film. Background technique [0002] Cast Polypropylene (CPP, Cast Polypropylene) aluminized film is a barrier film formed by depositing a thin layer of aluminum atoms on a high-quality cast CPP film through a vacuum aluminum plating process. It has bright metallic gloss and excellent Excellent gas and light barrier properties, good moisture resistance and light shading, and can replace aluminum foil. The above-mentioned cast CPP film is usually called CPP aluminized substrate film. When producing CPP aluminized substrate film, the manufacturer needs to add 2% to 3% anti-corrosion agent to the surface of the film (the side that is combined with the aluminum foil). Adhesive masterbatch, so that the film will not produce adhesion. [0003] At present, the anti-adhesive masterbatch commonly used on CPP alumi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/12C08L23/14C08L53/00C08J3/22C08J5/18
CPCC08J3/226C08J5/18C08J2423/12C08J2423/14C08J2453/00C08J2433/12C08J2323/12C08J2323/14C08J2353/00
Inventor 陈国
Owner 广东高博尔新材料有限公司
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