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Antistatic modified hot melt adhesive and preparation method thereof

A hot-melt adhesive and anti-static technology, which is applied in the direction of adhesives, non-polymer adhesive additives, adhesive types, etc., can solve the problem of poor anti-static function of hot-melt adhesives, lower production efficiency, long-term drying, etc. problems, achieve the effects of shortening the cooling and solidification time, improving production efficiency, and having little environmental impact

Active Publication Date: 2018-12-18
南通恒华粘合材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the crystallization rate of low-melting point polyester hot-melt adhesive is relatively slow, causing the product to take a long time to dry before it can be rolled up after being glued, otherwise there will be interlayer adhesion, resulting in waste products, greatly reducing production efficiency. In addition, in the prior art The antistatic function of the hot melt adhesive is not good, and the processing performance is poor

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Antistatic modified hot melt adhesive, the hot melt adhesive is processed from the following raw materials in parts by weight:

[0023] 40 parts of polyester hot melt adhesive, 20 parts of polyamide resin, 20 parts of conductive carbon black, 5 parts of petroleum resin, 0.5 part of antioxidant 164;

[0024] Mix the polyester hot-melt adhesive, polyamide resin, petroleum resin, antioxidant and conductive carbon black in the formulated amount, and then add them to the screw extrusion granulator, melt blending and extruding, and the extruded mixture is passed through Cooling, granulation, granulation to obtain pellets, vacuum drying to remove moisture to obtain antistatic modified hot melt adhesive;

[0025] Described polyester hot-melt adhesive is prepared as follows:

[0026] (1) Add an appropriate amount of nano-bentonite into the reactor and disperse with butanediol to form a uniform and stable slurry;

[0027] (2) Add dimethyl terephthalate, dimethyl isophthalate, a...

Embodiment 2

[0031] Antistatic modified hot melt adhesive, the hot melt adhesive is processed from the following raw materials in parts by weight:

[0032] 60 parts of polyester hot melt adhesive, 50 parts of polyamide resin, 30 parts of conductive carbon black, 10 parts of petroleum resin, 1 part of antioxidant 164;

[0033] Mix the polyester hot-melt adhesive, polyamide resin, petroleum resin, antioxidant and conductive carbon black in the formulated amount, and then add them to the screw extrusion granulator, melt blending and extruding, and the extruded mixture is passed through Cooling, granulation, granulation to obtain pellets, vacuum drying to remove moisture to obtain antistatic modified hot melt adhesive;

[0034] Described polyester hot-melt adhesive is prepared as follows:

[0035] (1) Add an appropriate amount of nano-bentonite into the reactor and disperse with butanediol to form a uniform and stable slurry;

[0036] (2) Add dimethyl terephthalate, dimethyl isophthalate, an...

Embodiment 3

[0040] Antistatic modified hot melt adhesive, the hot melt adhesive is processed from the following raw materials in parts by weight:

[0041] 50 parts of polyester hot melt adhesive, 40 parts of polyamide resin, 25 parts of conductive carbon black, 8 parts of petroleum resin, 164 0.75 parts of antioxidant;

[0042] Mix the polyester hot-melt adhesive, polyamide resin, petroleum resin, antioxidant and conductive carbon black in the formulated amount, and then add them to the screw extrusion granulator, melt blending and extruding, and the extruded mixture is passed through Cooling, granulation, granulation to obtain pellets, vacuum drying to remove moisture to obtain antistatic modified hot melt adhesive;

[0043] Described polyester hot-melt adhesive is prepared as follows:

[0044] (1) Add an appropriate amount of nano-bentonite into the reactor and disperse with butanediol to form a uniform and stable slurry;

[0045] (2) Add dimethyl terephthalate, dimethyl isophthalate,...

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PUM

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Abstract

The invention relates to an antistatic modified hot melt adhesive. The hot melt adhesive is prepared by processing the following raw materials in parts by weight: 40-60 parts of polyester hot melt adhesive, 20-50 parts of polyamide resin, 20-30 parts of conductive carbon black, 5-10 parts of petroleum resin and 0.5-1 part of an antioxidant 164. The antistatic modified hot melt adhesive is obtained by uniformly mixing the polyester hot melt adhesive, polyamide resin, petroleum resin, the antioxidant and conductive carbon black in a formula ratio, then adding the mixture to a screw extruder pelletizer to undergo melt blending and extrusion, cooling and pelletizing the extruded mixture and removing moisture from pellets obtained through pelletizing through vacuum drying. The hot melt adhesive with stable adhesion, good antistatic property and high crystallization and curing rates is prepared by selecting the polyester hot melt adhesive with low melting point to be mixed with polyamide resin, conductive carbon black, petroleum resin and the antioxidant 164, is convenient to use, is slightly affected by the environment and has higher crystallization and curing rates than hot melt adhesives in the prior art especially in a low-temperature environment, thus greatly improving the production efficiency.

Description

technical field [0001] The invention relates to an antistatic modified hot melt adhesive and a preparation method thereof. Background technique [0002] Polyester hot-melt adhesive is an environmentally friendly hot-melt adhesive, which has the advantages of high bonding strength, outstanding bonding performance to polar materials, excellent electrical properties and chemical medium resistance, and is widely used in textiles, clothing, automobiles, Packaging, shoemaking, electronics, building materials and other industries have shown a trend of vigorous development in recent years. With the implementation of low-carbon economy, low coating temperature has become one of the development directions of hot-melt adhesive performance, which requires polyester hot-melt adhesive to have a lower melting point. However, the crystallization rate of low-melting point polyester hot-melt adhesive is relatively slow, causing the product to take a long time to dry before it can be rolled u...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09J167/02C09J177/00C09J157/02C09J11/04C08G63/12
CPCC08G63/12C08K2201/001C08K2201/011C08L2205/03C09J11/04C09J167/02C08L77/00C08L57/02C08K9/04C08K3/346C08K3/04
Inventor 林初煌
Owner 南通恒华粘合材料科技有限公司
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