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Hot melt adhesive for packaging

A technology for hot melt adhesives and packaging, applied in adhesives, adhesive additives, non-polymer adhesive additives, etc., can solve the problems of high cost of hot melt adhesives, no right to speak in material selection, and thin processing profits, etc., to achieve Improve the wetting effect, wide temperature range, fast curing effect

Inactive Publication Date: 2018-08-14
朱俊帆
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] For OEM companies, the processing profit itself is very thin, and they have no say in the choice of materials. The substantial increase in the cost of hot melt adhesives is undoubtedly a considerable expense.

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A hot-melt adhesive for packaging, in parts by mass, its preparation raw materials at least include:

[0023] raw material

Proportion

EVA thermoplastic resin 1 (VA40%, MI 65)

10 copies

EVA thermoplastic resin 2 (VA 28%, MI 800)

25 copies

C9 petroleum resin

15 copies

Rosin pentaerythritol ester

15 copies

Rosin Glycerides

20 copies

Fischer-Tropsch wax

15 copies

Antioxidants

0.5 parts

[0024] The preferred EVA thermoplastic resin 1 is DuPont 40W, and the EVA thermoplastic resin 2 is Taiju UE 647;

[0025] The preferred C9 petroleum resin is Taiwan Yuanliang YL120H;

[0026] Preferred rosin pentaerythritol fat is Guangxi Wuzhou Richeng PER100F;

[0027] Preferred rosin glyceride is Guangxi Wuzhou Richeng GER85;

[0028] The preferred Feituo wax is Shell SX80;

[0029] A preferred antioxidant is BASF 1010.

[0030] The preparation process of above-mentioned hot melt adhesive c...

Embodiment 2

[0035] A hot-melt adhesive for packaging, in parts by mass, its preparation raw materials at least include:

[0036] raw material

Proportion

EVA thermoplastic resin 1 (VA40%, MI 65)

10 copies

EVA thermoplastic resin 2 (VA 28%, MI 800)

25 copies

C9 petroleum resin

20 copies

Rosin pentaerythritol ester

15 copies

Rosin Glycerides

15 copies

Fischer-Tropsch wax

15 copies

Antioxidants

0.5 parts

[0037] The preferred C9 petroleum resin is Taiwan Yuanliang YL120H;

[0038] Preferred rosin pentaerythritol fat is Guangxi Wuzhou Richeng PER100F;

[0039] Preferred rosin glyceride is Guangxi Wuzhou Richeng GER85;

[0040] The preferred Feituo wax is Shell SX80;

[0041] A preferred antioxidant is BASF 1010.

[0042] The preparation process of above-mentioned hot melt adhesive comprises the following processes:

[0043] (1) Add EVA thermoplastic resin 1, EVA thermoplastic resin 2, and Fische...

Embodiment 3

[0047] A hot-melt adhesive for packaging, in parts by mass, its preparation raw materials at least include:

[0048] raw material

Proportion

EVA thermoplastic resin 1 (VA40%, MI 65)

12 copies

EVA thermoplastic resin 2 (VA 28%, MI 800)

23 copies

C9 petroleum resin

15 copies

Rosin pentaerythritol ester

15 copies

Rosin Glycerides

20 copies

Fischer-Tropsch wax

15 copies

Antioxidants

0.5 parts

[0049] The preferred C9 petroleum resin is Taiwan Yuanliang YL120H;

[0050] Preferred rosin pentaerythritol fat is Guangxi Wuzhou Richeng PER100F;

[0051] Preferred rosin glyceride is Guangxi Wuzhou Richeng GER85;

[0052] The preferred Feituo wax is Shell SX80;

[0053] A preferred antioxidant is BASF 1010.

[0054] The preparation process of above-mentioned hot melt adhesive comprises the following processes:

[0055] (1) Add EVA thermoplastic resin 1, EVA thermoplastic resin 2, and Fische...

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Abstract

The invention discloses a hot melt adhesive for packaging, and belongs to the field of adhesives. The hot melt adhesive is prepared at least from the following raw materials in parts by mass: 35 partsof ethylene-vinyl acetate (EVA) resin, 30-50 parts of tackifying resin, 10-20 parts of a viscosity regulator and 0.5-1.5 parts of an antioxidant. The hot melt adhesive provided by the invention has the advantages of environmental friendliness, no toxicity, no heavy metals, fast curing speed, excellent low-temperature resistance, high bonding strength to a carton with high surface paper strength (the wax picking degree of the carton surface paper reaches 20A or above), and the like. The hot melt adhesive solves the problems that cartons are open on a production line and in a warehouse when a conventional EVA hot melt adhesive is applied to the binding of cartons with high surface paper strength, and thus can be widely applied in the automatic packaging industry for food, beverages, beer and other industries.

Description

technical field [0001] The patent of the present invention relates to the field of adhesives, especially a hot melt adhesive for packaging. Background technique [0002] In the food, beverage, beer and other packaging industries, after the products have been transported and stored, the outer packaging is often severely damaged, which affects the corporate brand image. In order to ensure that the product is transported to the sales terminal to maintain a good outer packaging effect, some well-known companies have continuously upgraded the packaging materials, improved the strength of the carton, and improved the waterproof effect. However, the requirements for the bonding effect and curing speed of the hot melt adhesive are also constantly increasing. . [0003] Traditional EVA hot melt adhesive has been widely used due to its low cost and mature technology. However, after the packaging material was upgraded, the traditional EVA hot melt adhesive could no longer meet the bo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J123/08C09J11/08C09J11/06
CPCC09J123/0853C08L2205/025C08L2205/035C09J11/06C09J11/08C08L23/0853C08L57/02C08L93/04C08L91/06C08K5/1345
Inventor 朱俊帆
Owner 朱俊帆
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