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High-adhesion sealant and preparation method thereof

A sealant and adhesive technology, used in the field of sealants, can solve the problems of inability to bond the PVC board and the main components of the container together, insufficient bonding strength, etc., to enhance the anti-aging effect, improve the comprehensive performance, and increase the compatibility. sexual effect

Inactive Publication Date: 2017-05-10
WUHU SHUANGBAO BUILDING MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, the conventional sealant cannot bond the PVC board and the main part of the container together well, and the bonding strength is insufficient

Method used

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  • High-adhesion sealant and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] A kind of high-adhesion sealant proposed in the embodiment of the present invention is prepared according to the following steps:

[0035] S1: weigh each raw material by weight ratio;

[0036] S2: mixing gasoline, ethyl acetate and acetone to form a mixed solvent;

[0037] S3: Add the perchloride resin and the polyvinyl chloride resin into the mixed solvent obtained from S2 with 800% by weight of the perchloride resin as the benchmark, stir, and after the perchloride resin and the polyvinyl chloride resin are dissolved, add the alkyd Resin and dibutyl phthalate, after stirring evenly, set aside;

[0038] S4: Add ultra-high molecular weight polyvinyl chloride, dioctyl phthalate, and dioctyl adipate into the mixer and mix for 8 minutes, then add sericite, vulcanized paste, diatomite, UV stabilizer, After antioxidants, rutile titanium dioxide, light calcium carbonate and talc, continue to mix, extrude and slice;

[0039]S5: Add the kneading sheet obtained in S4 and the ...

Embodiment 2

[0041] A kind of high-adhesion sealant proposed in the embodiment of the present invention is prepared according to the following steps:

[0042] S1: weigh each raw material by weight ratio;

[0043] S2: mixing gasoline, ethyl acetate and acetone to form a mixed solvent;

[0044] S3: Add the perchloride resin and the polyvinyl chloride resin into the mixed solvent obtained from S2 with 800% by weight of the perchloride resin as the benchmark, stir, and after the perchloride resin and the polyvinyl chloride resin are dissolved, add the alkyd Resin and dibutyl phthalate, after stirring evenly, set aside;

[0045] S4: Add ultra-high molecular weight polyvinyl chloride, dioctyl phthalate, and dioctyl adipate into the mixer and mix for 9 minutes, then add sericite, vulcanization paste, diatomite, UV stabilizer, After antioxidants, rutile titanium dioxide, light calcium carbonate and talc, continue to mix, extrude and slice;

[0046] S5: Add the kneading sheet obtained in S4 and ...

Embodiment 3

[0048] A kind of high-adhesion sealant proposed in the embodiment of the present invention is prepared according to the following steps:

[0049] S1: weigh each raw material by weight ratio;

[0050] S2: mixing gasoline, ethyl acetate and acetone to form a mixed solvent;

[0051] S3: Add the perchloride resin and the polyvinyl chloride resin into the mixed solvent obtained from S2 with 800% by weight of the perchloride resin as the benchmark, stir, and after the perchloride resin and the polyvinyl chloride resin are dissolved, add the alkyd Resin and dibutyl phthalate, after stirring evenly, set aside;

[0052] S4: Add ultra-high molecular weight polyvinyl chloride, dioctyl phthalate, and dioctyl adipate into the mixer and mix for 10 minutes, then add sericite, vulcanization paste, diatomite, UV stabilizer, After antioxidants, rutile titanium dioxide, light calcium carbonate and talc, continue to mix, extrude and slice;

[0053] S5: Add the kneading sheet obtained in S4 and...

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Abstract

The invention discloses high-adhesion sealant, comprising, by weight, 90-100 parts of chlorinated PVC resin, 40-60 parts of PVC (polyvinyl chloride) resin, 30-50 parts of alkyd resin, 50-60 parts of ultrahigh molecular weight polyvinyl chloride with molecular weight of 1.60 million, 15-25 parts of dibutyl phthalate, 20-30 parts of dioctyl phthalate, 10-15 parts of dioctanoate adipate, 560-672 parts of gasoline, 400-480 parts of ethyl acetate, 240-288 parts of acetone, 23-26 parts of rutile titanium dioxide, 120-140 parts of light calcium carbonate, 250-270 parts of talcum powder, 20-23 parts of sericite, 10-13 parts of vulcanized paste, 30-50 parts of diatomite, 0.4-0.6 part of an ultraviolet stabilizer, and 0.05-0.1 part of an antioxidant. The high-adhesion sealant has the advantages that the sealant with excellent comprehensive properties is acquired by component optimization, usage of harmful matters is reduced, environmental pollution is reduced, and the preparation process is updated according to the optimized composition.

Description

technical field [0001] The invention belongs to the technical field of sealants, and in particular relates to a high-adhesion sealant and a preparation method thereof. Background technique [0002] A sealant is a flowable or extruded unshaped material to fill a closed joint that can rely on embedded drying, temperature changes, solvent evaporation, chemical cross-linking of the material to stabilize the material, and the gradual incorporation of a solid adhesive, viscoelastic behavior or elasticity Sealing material molding. In order to ensure the sealing function, the sealant should have the following basic characteristics: ① good embedding, storage stability, non-toxic or low toxicity; ② low penetration with other media; ③ seams that can resist telescopic movement, displacement and deformation; ④ In the joints subjected to cyclic deformation, it can ensure the complete recovery of its performance and shape; ⑤ have enough strength to withstand pressure; ⑥ not embrittlement ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J127/24C09J127/06C09J167/08C09J11/06C09J11/04C09K3/10
Inventor 胡昌悌
Owner WUHU SHUANGBAO BUILDING MATERIAL
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