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Adhesive, and preparation method and application thereof

An adhesive and initiator technology, applied in the directions of adhesives, adhesive types, starch adhesives, etc., can solve problems such as poor bonding performance, achieve environmentally friendly bonding performance, simple and easy preparation method, and good bonding performance Effect

Inactive Publication Date: 2020-01-31
O FILM IMAGE TECH (GUANGZHOU) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although there are some environmentally friendly adhesives on the market, their bonding performance is poor

Method used

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  • Adhesive, and preparation method and application thereof
  • Adhesive, and preparation method and application thereof
  • Adhesive, and preparation method and application thereof

Examples

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Comparison scheme
Effect test

preparation example Construction

[0043] See figure 1 , The preparation method of an adhesive in an embodiment includes the following steps:

[0044] Step S110: Mix the phenolic resin and the reactive diluent at 35°C to 40°C to obtain a first mixed solution.

[0045] Among them, the step of mixing the phenolic resin and the reactive diluent is specifically: adding the phenolic resin to the reactive diluent and stirring for 60 min to 70 min, and then cooling to room temperature to obtain the first mixed solution, wherein the stirring speed is 60 r / min to 80r / min.

[0046] Among them, the mass parts of the phenol resin is 30 parts to 35 parts. Further, the phenolic resin is selected from at least one of sugar alcohol-modified phenolic resins and resole phenolic resins. Specifically, the phenol resin is a sugar alcohol modified phenol resin.

[0047] Wherein, the mass parts of the active diluent is 15 to 18 parts. Further, the reactive diluent is selected from at least one of butyl glycidyl ether, propylene oxide but...

Embodiment 1

[0069] The preparation steps of the adhesive of this embodiment are as follows:

[0070] 1) At room temperature, 8 parts of phosphoric acid ester, 6 parts of dioctyl sebacate and 15 parts of propylene oxide butyl ether are mixed uniformly in parts by mass to obtain a premixed liquid;

[0071] 2) Add 30 parts of sugar alcohol modified phenolic resin to the premixed liquid at 35° C. and stir for 60 minutes, and then cool to room temperature to obtain the first mixed liquid, wherein the stirring speed is 60 r / min.

[0072] 3) At 80°C, 20 parts of miscanthus flour, 20 parts of tapioca flour, and 20 parts of konjac flour are added to the first mixed solution and stirred for 30 minutes to obtain a second mixed solution, wherein the stirring speed is 50 r / min.

[0073] 4) Add the hydrogenated styrene-butadiene block copolymer to the white oil at 110°C and stir for 30 min, cool to room temperature, and then grind with a grinder to obtain a thermoplastic elastomer with a particle size of 50 μm-...

Embodiment 2

[0077] The preparation steps of the adhesive of this embodiment are as follows:

[0078] 1) At room temperature, 10 parts of phosphoric acid ester, 8 parts of dioctyl sebacate and 16 parts of butyl glycidyl ether are uniformly mixed by mass parts to obtain a premixed liquid;

[0079] 2) At 35° C., add 32 parts of sugar alcohol modified phenolic resin to the premix and stir for 70 min, and then cool to room temperature to obtain the first mixture, wherein the stirring speed is 80 r / min.

[0080] 3) At 90° C., 23 parts of miscanthus flour, 23 parts of tapioca flour and 23 parts of konjac flour are added to the first mixed liquid and stirred for 40 minutes to obtain a second mixed liquid, wherein the stirring speed is 60 r / min.

[0081] 4) Add the hydrogenated styrene-butadiene block copolymer to white oil at 120°C and stir for 30 minutes, cool to room temperature, and then grind with a grinder to obtain a thermoplastic elastomer with a particle size of 50 μm-100 μm. Among them, the stir...

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Abstract

The invention relates to an adhesive, and a preparation method and an application thereof. The adhesive comprises the raw materials for preparing the adhesive in parts by mass: 60 parts-75 parts of plant powder, 30 parts-35 parts of phenolic resin, 7 parts-9 parts of an initiator, 15 parts-18 parts of an active diluent and 15 parts-20 parts of a thermoplastic elastomer, wherein the initiator is selected from at least one of tert-butyl hydroperoxide, lauroyl peroxide and methyl ethyl ketone peroxide, and the reactive diluent is selected from at least one of butyl glycidyl ether, epoxypropane butyl ether and diglycidyl ether. The adhesive has the advantages of being environmentally friendly and good in adhesive property.

Description

Technical field [0001] The invention relates to the technical field of adhesives, in particular to an adhesive and its preparation method and application. Background technique [0002] As one of the essential products for human production and life, adhesives have been widely used in aviation, aerospace, automobiles, machinery, construction, electronics and other industries and daily life fields. However, most adhesives will pollute the environment. For example, polyvinyl formaldehyde adhesive (commonly known as "107 glue") has been banned in developed countries because it contains free formaldehyde and is harmful to human health. However, due to its low price in China, there are still quite a few market share. Today, when the voice of environmental protection is increasing, how to turn non-environmentally friendly adhesives into environmentally friendly adhesives is imperative. Although there are some environmentally friendly adhesives on the market, the bonding performance is ...

Claims

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Application Information

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IPC IPC(8): C09J161/14C09J105/14C09J103/02C09J101/02C09J11/06C09J11/08
CPCC08L2205/035C08L2207/04C09J11/06C09J11/08C09J161/14C08L5/14C08L3/02C08L1/02C08L53/025C08L91/00C08K5/00C08K5/5435C08K5/17C08K5/57C08K5/11
Inventor 叶晶刘新建李旻彦
Owner O FILM IMAGE TECH (GUANGZHOU) CO LTD
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