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Environment-friendly aqueous sealant for container

A container and sealant technology, applied in the field of sealant, can solve the problems of waste of resources and energy, environmental pollution, damage, etc., and achieve the effects of strong adhesion, good physical and mechanical properties, and low VOC content

Active Publication Date: 2011-02-09
GUANGZHOU JOINTAS CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the vast majority of chloroprene sealants and butyl sealants are mostly solvent-based products, which contain a large amount of organic solvents, and the volatilization of organic solvents not only wastes a lot of resources and energy, but also causes serious pollution and harm to the environment. destroy

Method used

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  • Environment-friendly aqueous sealant for container

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Environmentally friendly sealant for containers contains:

[0028] 40 parts of emulsion polymer, composed of 35 parts of polyacrylate emulsion and 5 parts of polyvinyl acetate emulsion;

[0029] 0.5 part of dispersant, made up of lauryl alcohol polyoxyethylene ether;

[0030] 5 parts of plasticizer, composed of dioctyl phthalate;

[0031] 1 part of adhesion promoter, consisting of a chelate of bis(dioctyloxypyrophosphate) ethylene titanate and triethanolamine;

[0032] 3.5 parts of thixotropic agent, made up of precipitated silica;

[0033] The filler part is composed of 800 mesh heavy calcium carbonate;

[0034] Antifreeze 0.5 parts, composed of ethylene glycol.

Embodiment 2

[0036] Environmentally friendly sealant for containers contains:

[0037] 40 parts of emulsion polymer, composed of 32 parts of polyacrylate emulsion and 8 parts of polyvinyl acetate emulsion;

[0038] 0.5 part of dispersant, made up of lauryl alcohol polyoxyethylene ether;

[0039] 5 parts of plasticizer, composed of dioctyl phthalate;

[0040] 2 parts of adhesion promoter, consisting of a chelate of bis(dioctyloxypyrophosphate) ethylene titanate and triethanolamine;

[0041] 4.5 parts of thixotropic agent, made up of precipitated silica;

[0042] 60 parts of filler, composed of 50 parts of 800 mesh heavy calcium carbonate and 10 parts of 400 mesh talcum powder;

[0043] Antifreeze 1 part, composed of ethylene glycol.

Embodiment 3

[0045] Environmentally friendly sealant for containers contains:

[0046] 42 parts of emulsion polymer, composed of 32 parts of polyacrylate emulsion and 10 parts of polyvinyl acetate emulsion;

[0047] 0.5 part of dispersant, made up of lauryl alcohol polyoxyethylene ether;

[0048] 5 parts of plasticizer, composed of dioctyl phthalate;

[0049] 2 parts of adhesion promoter, consisting of a chelate of bis(dioctyloxypyrophosphate) ethylene titanate and triethanolamine;

[0050] 5 parts of thixotropic agent, made up of precipitated silica;

[0051] 58 parts of filler, composed of 50 parts of 800 mesh heavy calcium carbonate and 8 parts of 1200 mesh heavy calcium carbonate;

[0052] Antifreeze 1 part, composed of ethylene glycol.

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PUM

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Abstract

The invention discloses an environment-friendly aqueous sealant for a container, comprising the following components in parts by weight: 30-60 parts of polymer emulsion, 0.5-1 part of dispersing agent, 5-10 parts of plasticizer, 2-5 parts of adhesive force accelerating agent, 3-5 parts of thixotropic agent, 35-55 parts of filler and 0.5-3 parts of antifreeze agent. The invention has good physical mechanical property and can completely realize the product performance of the present general container sealant. After solidified, the environment-friendly aqueous sealant has strong adhesive force, good flexibility and excellent sealing performance, can keep long sealing on joints of the container, also has extra low VOC (Volatile Organic Compound) content, and is green and environment-friendly.

Description

technical field [0001] The invention relates to a sealant, in particular to an environment-friendly sealant for containers. Background technique [0002] Sealants for containers include neoprene sealants, butyl sealants and a small amount of silicone glue for dry containers; polyurethane sealants and silicone sealants for refrigerated containers. [0003] The existing containers are mainly dry containers, and correspondingly, the sealants for containers are also mainly neoprene sealants and butyl sealants. [0004] At present, the vast majority of chloroprene sealants and butyl sealants are mostly solvent-based products, which contain a large amount of organic solvents, and the volatilization of organic solvents not only wastes a lot of resources and energy, but also causes serious pollution and harm to the environment. destroy. [0005] The "International Health Regulations (2005)" which came into force in June 2007 put forward new requirements for container manufacturers...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L33/04C09J123/08C08K3/36C08L23/08C09J131/04C09K3/10C08K5/053C08L31/04C09J133/04C08K13/02
Inventor 潘守伟
Owner GUANGZHOU JOINTAS CHEM
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