Formula of packaging sealant

A sealant and packaging technology, applied in the direction of adhesives, adhesive types, asphalt material adhesives, etc., can solve the problems of failure of sealing effect and insufficient sealing time, so as to increase sealing time, improve shelf life, and slow down failure Effect

Inactive Publication Date: 2015-07-29
JURONG DINGSHENG CARTON PACKING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Among them, solvent-free liquid sealant is a kind of liquid sealant. Although the traditional formula can meet the general requirements of sealing, its sealing effect will accelerate the failure with the passage of sealing time, that is, the sealing time is not long enough.

Method used

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Examples

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Embodiment Construction

[0021] The technical solutions of the present invention will be further described in detail below in conjunction with specific examples, so that those skilled in the art can better understand the present invention and implement it, but the examples given are not intended to limit the present invention.

[0022] A sealant formulation for packaging, characterized in that its raw materials consist of:

[0023] Calcium carbonate: 20-23 parts;

[0024] Asphalt resin: 10-12 parts;

[0025] Polyisobutylene: 3-3.4 parts;

[0026] Stearic acid: 0.2-0.3 parts;

[0027] Talc powder: 22-24 parts;

[0028] Asbestos powder: 9-9.8 parts;

[0029] Butadiene rubber: 55-60 parts;

[0030] Clay: 1-1.3 parts;

[0031] Dibutyl phthalate: 1-2 parts;

[0032] The parts are all parts by mass.

[0033] Preferably, an anti-aging agent and a drier are also added to the formula.

[0034] Preferably, 3-5 parts of diatomaceous earth as a filler are also included, and the said parts are parts by ma...

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PUM

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Abstract

The invention discloses a formula of a packaging sealant. The formula comprises the following raw materials in parts by weight: 20-23 parts of calcium carbonate, 10-12 parts of bitumen resin, 3-3.4 parts of polyisobutene, 0.2-0.3 part of stearic acid, 22-24 parts of talcum powder, 9-9.8 parts of asbestos powder, 55-60 parts of cis-polybutadiene, 1-1.3 parts of argil and 1-2 parts of dibutyl phthalate. The sealant prepared from the formula can slow down the failure of seal effect and prolong seal time; experiments prove that compared with traditional sealants (only including calcium carbonate, bitumen resin, polyisobutene, talcum powder, asbestos powder and cis-polybutadiene), the sealant can prolong the shelf life by 3-5 days when the same object is sealed under the same condition.

Description

technical field [0001] The invention relates to a sealant formulation for packaging. Background technique [0002] Sealing is an important part of packaging. The quality of the sealing directly affects the packaging effect, storage and life of the package, and even affects the reputation of the package. The sealant needs to have good properties such as preventing liquid leakage, blocking air, moisture, and peculiar smell. [0003] Among them, solvent-free liquid sealant is a kind of liquid sealant. Although the traditional formula can meet the general requirements of sealing, its sealing effect will accelerate to failure with the passage of sealing time, that is, the sealing time is not long enough. Contents of the invention [0004] In view of the above problems, the present invention provides a sealant formulation for packaging, which can slow down the failure of the sealing effect and increase the sealing time. [0005] In order to achieve the above-mentioned technica...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J109/00C09J195/00C09J123/20C09J11/06C09J11/04
Inventor 赵秉盛余红军
Owner JURONG DINGSHENG CARTON PACKING
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