A controllable degradable anti-adhesive film and its preparation method

A technology of anti-adhesive film and anti-adhesive layer, applied in the field of controllable degradable anti-adhesive film and its preparation, to reduce the risk of water leakage, reduce pollution, and ensure the effect of normal use time

Active Publication Date: 2017-02-08
UPASS MATERIAL TECH SHANGHAI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0015] The technical problem to be solved by the present invention is to disclose a controllable degradable anti-adhesive film to overcome the defects of the existing polyethylene anti-adhesive film, and to provide a more practical, more economical, more environmentally friendly, and wider range of use. Anti-adhesive film for sticky roll material and preparation method thereof

Method used

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  • A controllable degradable anti-adhesive film and its preparation method

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0086] The controllable degradable anti-adhesive film 1# is prepared by the above preparation method with the following raw material ratio:

[0087] Anti-adhesive layer: 100.0 parts of high-density polyethylene,

[0088] Middle layer: linear low density polyethylene 50.0 parts

[0089] 30 parts of modified starch masterbatch

[0090] Composite photodegradant 0 parts

[0091] 6 parts of 800-1200 mesh heavy calcium carbonate powder

[0092] Masterbatch (black) 4.0 parts

[0093] 10.0 copies of trimmed recycled materials

[0094] Bottom layer: HDPE 80.0 parts

[0095] Linear low density polyethylene 15.0 parts

[0096] Masterbatch (white) 5.0 parts

[0097] Anti-sticking agent: 12.0 parts of vinyl silicone oil,

[0098] 3.5 parts of chloroplatinic acid

[0099] 1.3 parts of hydrogen-containing silicone resin,

[0100] 0.7 parts of styrene-butadiene resin

[0101] 82.5 parts of 120# solvent gasoline.

Embodiment 2

[0103] The controllable degradable anti-adhesive film 2# is prepared by the above preparation method by taking the following raw material ratio:

[0104] Anti-adhesive layer: high-density polyethylene 100.0 parts

[0105] Middle layer: linear low density polyethylene 59.2 parts

[0106] Modified starch masterbatch 0 parts

[0107] Composite photodegradant 0.8 parts

[0108] Masterbatch (black) 5.0 parts

[0109] 15 parts of 800-1200 mesh quartz powder

[0110] 20.0 copies of trimmed recycled materials

[0111] Bottom layer: HDPE 90.0 parts

[0112] Linear low density polyethylene 5.0 parts

[0113] Masterbatch (white) 5.0 parts

[0114] Anti-sticking agent: vinyl silicone oil 18.0 parts,

[0115] 7.5 parts of chloroplatinic acid

[0116] Hydrogen-containing silicone resin 2.0 parts,

[0117] 1.2 parts of styrene-butadiene resin

[0118] 71.3 parts of 120# solvent gasoline.

Embodiment 3

[0120] The controllable degradable anti-adhesive film 5# is prepared by the above preparation method by taking the following raw material ratio:

[0121] Anti-adhesive layer: 100.0 parts of high-density polyethylene,

[0122] Middle layer: 55 parts of linear low density polyethylene

[0123] Modified starch masterbatch 0 parts

[0124] Composite photodegradant 0 parts

[0125] Masterbatch (black) 5.0 parts

[0126] 20 parts of 800-1200 mesh heavy calcium carbonate powder

[0127] 20.0 copies of trimmed recycled materials

[0128] Bottom layer: HDPE 70.0 parts

[0129] Linear low density polyethylene 24.0 parts

[0130] Masterbatch (white) 6.0 parts

[0131] Anti-sticking agent: 20.0 parts of vinyl silicone oil,

[0132] 3.5 parts of chloroplatinic acid

[0133] 1.3 parts of hydrogen-containing silicone resin,

[0134] 0.7 parts of styrene-butadiene resin

[0135] 74.5 parts of 120# solvent gasoline.

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Abstract

The invention discloses a controllable degradation antiadherent film. The antiadherent film is characterized in that the antiadherent film comprises an antiadherent layer and a controllable degradation middle layer, and the controllable degradation middle layer can induce degradation of the whole antiadherent film in nature. Preferably, the controllable degradation middle layer is prepared from the following raw materials, by weight, 40-60 parts of linear low density polyethylene, 20-30 parts of modified starch master batch, 0.3-0.8 part of composite photodegradation agents, 5-20 parts of trimming recycled materials, and 5-25 parts of filling materials. The controllable degradation antiadherent film is exposed in the natural environment after usage, the antiadherent film is subjected to photodegradation and biodegradation at the same time through synergistic effects of the degradation agent modified starch master batch and the composite photodegradation agents in the antiadherent film, the molecular chain breaking of the antiadherent film is promoted, the molecular weight is decreased, the antiadherent film is cracked gradually and finally swallowed and metabolized by microorganism, such pollution of antiadherent films after single use to surrounding environment is reduced greatly.

Description

technical field [0001] The invention relates to an anti-adhesive film for waterproof rolls, in particular to a controllable degradable anti-adhesive film for self-adhesive waterproof rolls and a preparation method thereof. Background technique [0002] At present, there are three main categories of waterproofing membranes sold in the Chinese market, namely: 1. Modified asphalt waterproofing membranes; 2. Polymer plastic sheets; 3. Rubber waterproofing membranes. Among them, modified asphalt waterproofing membrane occupies a dominant position in the application, with an output of 400 million square meters in 2010, while self-adhesive membrane accounts for 30%, and it grows at a rate of 50% every year. There are three construction methods for these membranes in the general application engineering construction process, namely: 1. Heat the molten asphalt with a gasoline blowtorch and paste it on the base layer, such as: modified asphalt waterproof membrane; 2. Use cold adhesive ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B32B27/08B32B27/18C08L23/08C08L3/04C08L23/06C08L23/12B29D7/01
Inventor 苏醒
Owner UPASS MATERIAL TECH SHANGHAI
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