CN111100582A - High-viscosity natural rubber adhesive and preparation method thereof - Google Patents
High-viscosity natural rubber adhesive and preparation method thereof Download PDFInfo
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- CN111100582A CN111100582A CN201811262221.0A CN201811262221A CN111100582A CN 111100582 A CN111100582 A CN 111100582A CN 201811262221 A CN201811262221 A CN 201811262221A CN 111100582 A CN111100582 A CN 111100582A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J107/00—Adhesives based on natural rubber
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J145/00—Adhesives based on homopolymers or copolymers of compounds having no unsaturated aliphatic radicals in a side chain, and having one or more carbon-to-carbon double bonds in a carbocyclic or in a heterocyclic system; Adhesives based on derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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Abstract
The invention discloses a high-viscosity natural rubber adhesive and a preparation method thereof, wherein the raw materials comprise rubber and an organic solvent, and the rubber comprises or comprises the following components in parts by weight: 5-8 parts of standard rubber, 3-5 parts of butyl rubber, 5-8 parts of terpene resin, 70-75 parts of 120# solvent gasoline, 3-5 parts of raw latex and 0.5 part of anti-aging agent. According to the invention, the adhesive property among natural rubber is improved by selecting natural resin colloids such as standard rubber, butyl rubber and terpene diluted resin, simultaneously using partial emulsion, matching with No. 120 solvent gasoline and an anti-aging agent, and through a reasonable formula and a mixing process, the prepared high-viscosity natural rubber adhesive has excellent binding force, cannot be separated from a base material in the using process, and improves the adhesive holding property of the adhesive and the stability of viscosity under the change of temperature difference under the combined action of the standard rubber, the butyl rubber and the terpene diluted resin, so that the reliability of a product is improved.
Description
Technical Field
The invention relates to the technical field of adhesives, in particular to a high-viscosity natural rubber adhesive and a preparation method thereof.
Background
With the increasing awareness of environmental protection, biomass wood adhesives have become an important development trend in the field of wood adhesives, and the natural rubber is an elastic solid substance prepared by coagulating and drying natural latex collected from Brazilian rubber trees, wherein the natural rubber is a natural polymer compound mainly containing cis-1, 4-polyisoprene, and contains rubber hydrocarbon (cis-1, 4-polyisoprene) of more than 90% and a small amount of protein, fatty acid, sugar, ash and the like; adhesives, which are adhesive substances that join two separate materials together by virtue of their adhesive properties, are among the most important auxiliary materials and are used in a very wide variety of packaging applications.
At present, the types of the carton adhesives are various, such as trialdehyde adhesive, white latex and the like, and some adhesives can release free formaldehyde in the production and application processes, so that the carton adhesives have serious harm to human bodies and environment; some adhesives have poor water resistance and moisture resistance, are easy to absorb moisture in humid air, and have low bonding strength; creep phenomenon can be generated when the adhesive is used at high temperature, so that the adhesive bonding strength is reduced, and the emulsion is easy to freeze when stored at the low temperature of minus 5 ℃ to damage, so that the application of the adhesive is greatly limited, and a new adhesive with high adhesive bonding strength, safety, environmental protection and good stability needs to be researched.
Disclosure of Invention
The invention aims to provide a high-viscosity natural rubber adhesive and a preparation method thereof, and aims to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the high-viscosity natural rubber adhesive comprises rubber and an organic solvent, wherein the rubber comprises or contains the following components in parts by weight: 5-8 parts of standard rubber, 3-5 parts of butyl rubber, 5-8 parts of terpene resin, 70-75 parts of 120# solvent gasoline, 3-5 parts of raw latex and 0.5 part of anti-aging agent, wherein the mass ratio of the rubber to the organic solvent is 1: 3 to 20.
Preferably, the rubber comprises or contains the following components in parts by weight: 5 parts of standard rubber, 3 parts of butyl rubber, 5 parts of terpene resin, 70 parts of 120# solvent gasoline, 3 parts of raw latex and 0.5 part of anti-aging agent, wherein the mass ratio of the rubber to the organic solvent is 1: 10.
preferably, the organic solvent is one or a mixture of several of toluene, xylene, butanone, ethyl acetate and the like.
Preferably, the anti-aging agent is 2, 2, 4-trimethyl-1, 2-dihydroquinoline polymer.
A preparation method of a high-viscosity natural rubber adhesive comprises the following steps:
the method comprises the following steps: adding standard gum, butyl gum and terpene resin into a stirring kettle, heating to 80-90 deg.C, dissolving, and mixing;
step two: adding 120# solvent gasoline and raw latex, and stirring for reaction for 1-1.5 hours;
step three: then adding the anti-aging agent, stirring and reacting for 0.5 hour
Step four: and finally, adding an organic solvent, continuously stirring for 1 hour, continuously heating until bubbles are generated, and standing for 2-4 hours to obtain the composite material.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the adhesive property among natural rubber is improved by selecting natural resin colloids such as standard rubber, butyl rubber and terpene diluted resin, simultaneously using partial emulsion, matching with No. 120 solvent gasoline and an anti-aging agent, and through a reasonable formula and a mixing process, the prepared high-viscosity natural rubber adhesive has excellent binding force, cannot be separated from a base material in the using process, and improves the adhesive holding property of the adhesive and the stability of viscosity under the change of temperature difference under the combined action of the standard rubber, the butyl rubber and the terpene diluted resin, so that the reliability of a product is improved.
Drawings
FIG. 1 is a schematic diagram of a dosage form of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1, the raw materials of a high-viscosity natural rubber adhesive include rubber and an organic solvent, wherein the rubber includes or contains the following components in parts by weight: 5-8 parts of standard rubber, 3-5 parts of butyl rubber, 5-8 parts of terpene resin, 70-75 parts of 120# solvent gasoline, 3-5 parts of raw latex and 0.5 part of anti-aging agent, wherein the mass ratio of rubber to organic solvent is 1: 3-20, wherein the rubber comprises or contains the following components in parts by weight: 5 parts of standard rubber, 3 parts of butyl rubber, 5 parts of terpene resin, 70 parts of 120# solvent gasoline, 3 parts of raw latex and 0.5 part of anti-aging agent, wherein the mass ratio of rubber to organic solvent is 1: 10, the organic solvent is one or a mixture of a plurality of organic solvents such as toluene, xylene, butanone and ethyl acetate, and the anti-aging agent is 2, 2, 4-trimethyl-1, 2-dihydroquinoline polymer.
A preparation method of a high-viscosity natural rubber adhesive comprises the following steps:
the method comprises the following steps: adding standard gum, butyl gum and terpene resin into a stirring kettle, heating to 80-90 deg.C, dissolving, and mixing;
step two: adding 120# solvent gasoline and raw latex, and stirring for reaction for 1-1.5 hours;
step three: then adding the anti-aging agent, stirring and reacting for 0.5 hour
Step four: and finally, adding an organic solvent, continuously stirring for 1 hour, continuously heating until bubbles are generated, and standing for 2-4 hours to obtain the composite material.
Example two:
referring to fig. 1, the raw materials of a high-viscosity natural rubber adhesive include rubber and an organic solvent, wherein the rubber includes or contains the following components in parts by weight: 5-8 parts of standard rubber, 3-5 parts of butyl rubber, 5-8 parts of terpene resin, 70-75 parts of 120# solvent gasoline, 3-5 parts of raw latex and 0.5 part of anti-aging agent, wherein the mass ratio of rubber to organic solvent is 1: 3-20, wherein the rubber comprises or contains the following components in parts by weight: 6 parts of standard rubber, 4 parts of butyl rubber, 6 parts of terpene resin, 70 parts of 120# solvent gasoline, 4 parts of raw latex and 0.5 part of anti-aging agent, wherein the mass ratio of rubber to organic solvent is 1: 10, the organic solvent is one or a mixture of a plurality of organic solvents such as toluene, xylene, butanone and ethyl acetate, and the anti-aging agent is 2, 2, 4-trimethyl-1, 2-dihydroquinoline polymer.
A preparation method of a high-viscosity natural rubber adhesive comprises the following steps:
the method comprises the following steps: adding standard gum, butyl gum and terpene resin into a stirring kettle, heating to 80-90 deg.C, dissolving, and mixing;
step two: adding 120# solvent gasoline and raw latex, and stirring for reaction for 1-1.5 hours;
step three: then adding the anti-aging agent, stirring and reacting for 0.5 hour
Step four: and finally, adding an organic solvent, continuously stirring for 1 hour, continuously heating until bubbles are generated, and standing for 2-4 hours to obtain the composite material.
Example three:
referring to fig. 1, the raw materials of a high-viscosity natural rubber adhesive include rubber and an organic solvent, wherein the rubber includes or contains the following components in parts by weight: 5-8 parts of standard rubber, 3-5 parts of butyl rubber, 5-8 parts of terpene resin, 70-75 parts of 120# solvent gasoline, 3-5 parts of raw latex and 0.5 part of anti-aging agent, wherein the mass ratio of rubber to organic solvent is 1: 3-20, wherein the rubber comprises or contains the following components in parts by weight: 7 parts of standard rubber, 5 parts of butyl rubber, 8 parts of terpene resin, 75 parts of 120# solvent gasoline, 5 parts of raw latex and 0.5 part of anti-aging agent, wherein the mass ratio of rubber to organic solvent is 1: 10, the organic solvent is one or a mixture of a plurality of organic solvents such as toluene, xylene, butanone and ethyl acetate, and the anti-aging agent is 2, 2, 4-trimethyl-1, 2-dihydroquinoline polymer.
A preparation method of a high-viscosity natural rubber adhesive comprises the following steps:
the method comprises the following steps: adding standard gum, butyl gum and terpene resin into a stirring kettle, heating to 80-90 deg.C, dissolving, and mixing;
step two: adding 120# solvent gasoline and raw latex, and stirring for reaction for 1-1.5 hours;
step three: then adding the anti-aging agent, stirring and reacting for 0.5 hour
Step four: and finally, adding an organic solvent, continuously stirring for 1 hour, continuously heating until bubbles are generated, and standing for 2-4 hours to obtain the composite material.
Example four:
referring to fig. 1, the raw materials of a high-viscosity natural rubber adhesive include rubber and an organic solvent, wherein the rubber includes or contains the following components in parts by weight: 5-8 parts of standard rubber, 3-5 parts of butyl rubber, 5-8 parts of terpene resin, 70-75 parts of 120# solvent gasoline, 3-5 parts of raw latex and 0.5 part of anti-aging agent, wherein the mass ratio of rubber to organic solvent is 1: 3-20, wherein the rubber comprises or contains the following components in parts by weight: 8 parts of standard rubber, 4 parts of butyl rubber, 5 parts of terpene resin, 70 parts of 120# solvent gasoline, 4 parts of raw latex and 0.5 part of anti-aging agent, wherein the mass ratio of rubber to organic solvent is 1: 10, the organic solvent is one or a mixture of a plurality of organic solvents such as toluene, xylene, butanone and ethyl acetate, and the anti-aging agent is 2, 2, 4-trimethyl-1, 2-dihydroquinoline polymer.
A preparation method of a high-viscosity natural rubber adhesive comprises the following steps:
the method comprises the following steps: adding standard gum, butyl gum and terpene resin into a stirring kettle, heating to 80-90 deg.C, dissolving, and mixing;
step two: adding 120# solvent gasoline and raw latex, and stirring for reaction for 1-1.5 hours;
step three: then adding the anti-aging agent, stirring and reacting for 0.5 hour
Step four: and finally, adding an organic solvent, continuously stirring for 1 hour, continuously heating until bubbles are generated, and standing for 2-4 hours to obtain the composite material.
Example five:
referring to fig. 1, the raw materials of a high-viscosity natural rubber adhesive include rubber and an organic solvent, wherein the rubber includes or contains the following components in parts by weight: 5-8 parts of standard rubber, 3-5 parts of butyl rubber, 5-8 parts of terpene resin, 70-75 parts of 120# solvent gasoline, 3-5 parts of raw latex and 0.5 part of anti-aging agent, wherein the mass ratio of rubber to organic solvent is 1: 3-20, wherein the rubber comprises or contains the following components in parts by weight: 7 parts of standard rubber, 5 parts of butyl rubber, 7 parts of terpene resin, 75 parts of 120# solvent gasoline, 5 parts of raw latex and 0.5 part of anti-aging agent, wherein the mass ratio of rubber to organic solvent is 1: 10, the organic solvent is one or a mixture of a plurality of organic solvents such as toluene, xylene, butanone and ethyl acetate, and the anti-aging agent is 2, 2, 4-trimethyl-1, 2-dihydroquinoline polymer.
A preparation method of a high-viscosity natural rubber adhesive comprises the following steps:
the method comprises the following steps: adding standard gum, butyl gum and terpene resin into a stirring kettle, heating to 80-90 deg.C, dissolving, and mixing;
step two: adding 120# solvent gasoline and raw latex, and stirring for reaction for 1-1.5 hours;
step three: then adding the anti-aging agent, stirring and reacting for 0.5 hour
Step four: and finally, adding an organic solvent, continuously stirring for 1 hour, continuously heating until bubbles are generated, and standing for 2-4 hours to obtain the composite material.
Example six:
referring to fig. 1, the raw materials of a high-viscosity natural rubber adhesive include rubber and an organic solvent, wherein the rubber includes or contains the following components in parts by weight: 5-8 parts of standard rubber, 3-5 parts of butyl rubber, 5-8 parts of terpene resin, 70-75 parts of 120# solvent gasoline, 3-5 parts of raw latex and 0.5 part of anti-aging agent, wherein the mass ratio of rubber to organic solvent is 1: 3-20, wherein the rubber comprises or contains the following components in parts by weight: 8 parts of standard rubber, 4 parts of butyl rubber, 8 parts of terpene resin, 75 parts of 120# solvent gasoline, 4 parts of raw latex and 0.5 part of anti-aging agent, wherein the mass ratio of rubber to organic solvent is 1: 15, the organic solvent is one or a mixture of a plurality of organic solvents such as toluene, xylene, butanone and ethyl acetate, and the anti-aging agent is 2, 2, 4-trimethyl-1, 2-dihydroquinoline polymer.
A preparation method of a high-viscosity natural rubber adhesive comprises the following steps:
the method comprises the following steps: adding standard gum, butyl gum and terpene resin into a stirring kettle, heating to 80-90 deg.C, dissolving, and mixing;
step two: adding 120# solvent gasoline and raw latex, and stirring for reaction for 1-1.5 hours;
step three: then adding the anti-aging agent, stirring and reacting for 0.5 hour
Step four: and finally, adding an organic solvent, continuously stirring for 1 hour, continuously heating until bubbles are generated, and standing for 2-4 hours to obtain the composite material.
Example seven:
referring to fig. 1, the raw materials of a high-viscosity natural rubber adhesive include rubber and an organic solvent, wherein the rubber includes or contains the following components in parts by weight: 5-8 parts of standard rubber, 3-5 parts of butyl rubber, 5-8 parts of terpene resin, 70-75 parts of 120# solvent gasoline, 3-5 parts of raw latex and 0.5 part of anti-aging agent, wherein the mass ratio of rubber to organic solvent is 1: 20, the rubber comprises or contains the following components in parts by weight: 7 parts of standard rubber, 5 parts of butyl rubber, 7 parts of terpene resin, 70 parts of 120# solvent gasoline, 5 parts of raw latex and 0.5 part of anti-aging agent, wherein the mass ratio of rubber to organic solvent is 1-20, the organic solvent is one or a mixture of a plurality of organic solvents such as toluene, xylene, butanone and ethyl acetate, and the anti-aging agent is 2, 2, 4-trimethyl-1, 2-dihydroquinoline polymer.
A preparation method of a high-viscosity natural rubber adhesive comprises the following steps:
the method comprises the following steps: adding standard gum, butyl gum and terpene resin into a stirring kettle, heating to 80-90 deg.C, dissolving, and mixing;
step two: adding 120# solvent gasoline and raw latex, and stirring for reaction for 1-1.5 hours;
step three: then adding the anti-aging agent, stirring and reacting for 0.5 hour
Step four: and finally, adding an organic solvent, continuously stirring for 1 hour, continuously heating until bubbles are generated, and standing for 2-4 hours to obtain the composite material.
When the high-viscosity natural rubber adhesive is used, the high-viscosity natural rubber adhesive prepared by the invention has excellent binding force, cannot be separated from a base material in the using process, and has the characteristics of simple preparation method, low cost, follow-up use and the like.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A high-viscosity natural rubber adhesive is characterized in that: the raw materials comprise rubber and an organic solvent, wherein the rubber comprises or comprises the following components in parts by weight: 5-8 parts of standard rubber, 3-5 parts of butyl rubber, 5-8 parts of terpene resin, 70-75 parts of 120# solvent gasoline, 3-5 parts of raw latex and 0.5 part of anti-aging agent, wherein the mass ratio of the rubber to the organic solvent is 1: 3 to 20.
2. The high tack natural rubber adhesive of claim 1, wherein: the rubber comprises or contains the following components in parts by weight: 5 parts of standard rubber, 3 parts of butyl rubber, 5 parts of terpene resin, 70 parts of 120# solvent gasoline, 3 parts of raw latex and 0.5 part of anti-aging agent, wherein the mass ratio of the rubber to the organic solvent is 1: 10.
3. the high tack natural rubber adhesive of claim 1, wherein: the organic solvent is one or a mixture of more of toluene, xylene, butanone, ethyl acetate and the like.
4. The high tack natural rubber adhesive of claim 1, wherein: the anti-aging agent is 2, 2, 4-trimethyl-1, 2-dihydroquinoline polymer.
5. A preparation method of a high-viscosity natural rubber adhesive is characterized by comprising the following steps: the preparation method comprises the following steps:
the method comprises the following steps: adding standard gum, butyl gum and terpene resin into a stirring kettle, heating to 80-90 deg.C, dissolving, and mixing;
step two: adding 120# solvent gasoline and raw latex, and stirring for reaction for 1-1.5 hours;
step three: then adding an anti-aging agent, and stirring and reacting for 0.5 hour;
step four: and finally, adding an organic solvent, continuously stirring for 1 hour, continuously heating until bubbles are generated, and standing for 2-4 hours to obtain the composite material.
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| CN201811262221.0A CN111100582A (en) | 2018-10-27 | 2018-10-27 | High-viscosity natural rubber adhesive and preparation method thereof |
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| CN201811262221.0A CN111100582A (en) | 2018-10-27 | 2018-10-27 | High-viscosity natural rubber adhesive and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103013381A (en) * | 2011-09-26 | 2013-04-03 | 张芳远 | Preparation method of natural rubber pressure sensitive adhesive |
| CN105176443A (en) * | 2015-10-13 | 2015-12-23 | 广东三和化工科技有限公司 | Solvent type rubber adhesive and preparation method thereof |
| CN106634706A (en) * | 2015-10-28 | 2017-05-10 | 芜湖县双宝建材有限公司 | Environment-friendly sealant and preparation method thereof |
| EP3266845A1 (en) * | 2016-07-07 | 2018-01-10 | Sika Technology Ag | Adhesive composition and adhered roofing system prepared using the adhesive composition |
-
2018
- 2018-10-27 CN CN201811262221.0A patent/CN111100582A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103013381A (en) * | 2011-09-26 | 2013-04-03 | 张芳远 | Preparation method of natural rubber pressure sensitive adhesive |
| CN105176443A (en) * | 2015-10-13 | 2015-12-23 | 广东三和化工科技有限公司 | Solvent type rubber adhesive and preparation method thereof |
| CN106634706A (en) * | 2015-10-28 | 2017-05-10 | 芜湖县双宝建材有限公司 | Environment-friendly sealant and preparation method thereof |
| EP3266845A1 (en) * | 2016-07-07 | 2018-01-10 | Sika Technology Ag | Adhesive composition and adhered roofing system prepared using the adhesive composition |
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