CN113881186A - Non-toxic environment-friendly phenolic resin and production process thereof - Google Patents
Non-toxic environment-friendly phenolic resin and production process thereof Download PDFInfo
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- CN113881186A CN113881186A CN202111301234.6A CN202111301234A CN113881186A CN 113881186 A CN113881186 A CN 113881186A CN 202111301234 A CN202111301234 A CN 202111301234A CN 113881186 A CN113881186 A CN 113881186A
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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
- C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
- C08L61/04—Condensation polymers of aldehydes or ketones with phenols only
- C08L61/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
- C08L61/14—Modified phenol-aldehyde condensates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G8/00—Condensation polymers of aldehydes or ketones with phenols only
- C08G8/28—Chemically modified polycondensates
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Abstract
The invention relates to the field of phenolic resin, in particular to non-toxic environment-friendly phenolic resin and a production process thereof. The non-toxic environment-friendly phenolic resin comprises vegetable phenol, paraformaldehyde, ethyl cellulose, n-butyl alcohol, sericite, ethylenediamine, tackifying resin, chitin powder, a flame retardant, a stabilizer and a plurality of parts of water. The nontoxic environmental protection phenolic resin and the production process thereof provided by the invention adopt plant phenol as main raw materials, so that the nontoxic formaldehyde and phenol are not released in the heating process, sericite and ethylenediamine are used for modifying the phenolic resin, the phenolic resin has high temperature resistance and good toughness, the rejection rate is effectively reduced, and meanwhile, the added chitin powder is added into the production preparation of the phenolic resin, so that the phenolic resin contains chitin, the chitin has the natural antibacterial effect, the broad-spectrum antibacterial rate is very high, no alcohol water pollutant is generated in the preparation process, the production process is energy-saving and environment-friendly, and the production cost is low.
Description
Technical Field
The invention relates to the field of phenolic resin, in particular to non-toxic environment-friendly phenolic resin and a production process thereof.
Background
Phenolic resin, also called bakelite, is colorless or yellowish brown transparent, and is usually sold in the market with a colorant in red, yellow, black, green, brown, blue and other colors, in the form of granules or powder. The corrosion inhibitor is resistant to weak acid and weak base, can be decomposed when meeting strong acid, and can be corroded when meeting strong base. Insoluble in water, and soluble in organic solvents such as acetone and alcohol. Obtained by condensation polymerization of phenol formaldehyde or derivatives thereof.
At present, the class of adhesives for indoor and outdoor environment-friendly and energy-saving materials is phenolic resins, such as furan resin, alkali phenolic resin, resol resin and water glass resin, and the resins release harmful components of formaldehyde and phenol in the casting and heating processes, so that the pollution is serious during casting, the working environment threatens the body of workers, and the bacteriostatic effect of the adhesives is poor.
Therefore, there is a need to provide a new non-toxic environment-friendly phenolic resin and a production process thereof to solve the above technical problems.
Disclosure of Invention
In order to solve the technical problems, the invention provides a non-toxic environment-friendly phenolic resin and a production process thereof.
The invention provides a non-toxic environment-friendly phenolic resin and a production process thereof, wherein the raw materials comprise the following components in parts by weight: 70 parts of plant phenol, 50 parts of paraformaldehyde, 15 parts of ethyl cellulose, 28 parts of n-butyl alcohol, 8 parts of sericite, 18 parts of ethylenediamine, 5 parts of tackifying resin, 6 parts of chitin powder, 0.6 part of flame retardant, 1.2 parts of stabilizer and a plurality of parts of water.
Preferably, the plant phenol is one or more of cardanol or eugenol.
Preferably, the toughening resin is at least one selected from polyurethane modified epoxy resin, nitrile rubber modified epoxy resin and core-shell toughening epoxy resin.
The production process of the non-toxic environment-friendly phenolic resin comprises the following specific steps:
the method comprises the following steps: sequentially adding plant phenol, paraformaldehyde, ethyl cellulose, sericite, ethylenediamine, a stabilizer and water into a stirring machine with a heating function;
step two: starting a stirring machine, heating and stirring for 45-65 minutes at the temperature of 92-102 ℃, wherein the rotating speed of a stirring blade is 800-;
step three: after stirring, sequentially adding tackifying resin, chitin powder, a flame retardant, a stabilizer and water into a stirring machine;
step four: starting the stirring machine again, heating and stirring for 25-35 minutes at the temperature of 96-98 ℃, wherein the rotating speed of the stirring blade is 800-;
step five: after stirring, cooling to 60 ℃;
step six: cooling for 3-5min and keeping at 60 deg.C, adding n-butanol into stirring machine with heating function;
step seven: starting the stirring machine again, heating and stirring for 10-12 minutes at the temperature of 78-80 ℃, wherein the rotating speed of the stirring blade is 250-300 r/min;
step eight: cooling the temperature of the mixture obtained in the seventh step to 40-60 ℃, and adding an inert solvent to adjust the pH value to 6-8;
step nine: and (5) standing the mixture obtained in the step eight for more than 3-5 hours to allow the raw materials with various properties to fully exert the functions, permeate and fuse mutually.
Preferably, the tackifying resin in the third step is at least one selected from TEGO AddBond LTH, Toyo spin saturated polyester resin 630, 650, 670, GK360 and GK 590.
Preferably, ethanol is used as the inert solvent in the step eight.
Compared with the related technology, the non-toxic environment-friendly phenolic resin and the production process thereof provided by the invention have the following beneficial effects:
the invention provides a non-toxic environmental protection phenolic resin and its preparation method, use plant phenol as the main material, therefore it does not release harmful ingredient formaldehyde and phenol in the heating process, use sericite, ethylenediamine to modify phenolic resin, make phenolic resin high temperature resistant, toughness good, reduce the rejection rate effectively, the chitin powder added adds in the production preparation of phenolic resin at the same time, make phenolic resin contain chitin, and chitin has effects of bacteriostasis naturally, the broad-spectrum antibacterial rate is very high, and does not produce the alcoholic water pollutant in the preparation method, the phenolic resin content made of this method is in the standard range, and the production process is energy-conserving, environment-friendly, the production cost is low.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
Example one
The embodiment of the invention provides a non-toxic environment-friendly phenolic resin and a production process thereof, wherein the non-toxic environment-friendly phenolic resin comprises the following raw materials in parts by weight:
70 parts of plant phenol, 50 parts of paraformaldehyde, 15 parts of ethyl cellulose, 28 parts of n-butyl alcohol, 8 parts of sericite, 18 parts of ethylenediamine, 5 parts of tackifying resin, 6 parts of chitin powder, 0.6 part of flame retardant, 1.2 parts of stabilizer and a plurality of parts of water.
It should be noted that: the plant phenol is cardanol, and the toughening resin is polyurethane modified epoxy resin.
The production process of the non-toxic environment-friendly phenolic resin comprises the following specific steps:
the method comprises the following steps: sequentially adding plant phenol, paraformaldehyde, ethyl cellulose, sericite, ethylenediamine, a stabilizer and water into a stirring machine with a heating function;
step two: starting a stirring machine, heating and stirring for 55 minutes at the temperature of 98 ℃, wherein the rotating speed of a stirring blade is 900 r/min;
step three: after stirring, sequentially adding tackifying resin, chitin powder, a flame retardant, a stabilizer and water into a stirring machine;
step four: starting the stirring machine again, heating and stirring for 30 minutes at the temperature of 97 ℃, wherein the rotating speed of the stirring blades is 900 r/min;
step five: after stirring, cooling to 60 ℃;
step six: cooling for 4min and maintaining at 60 deg.C, adding n-butanol into stirring machine with heating function;
step seven: starting the stirring machine again, heating to 79 ℃, and stirring for 11 minutes at the rotating speed of the stirring blades of 280 r/min;
step eight: cooling the temperature of the mixture obtained in the seventh step to 50 ℃, and adding an inert solvent to adjust the pH value to 7;
step nine: and (5) standing the mixture obtained in the step eight for more than 4 hours to allow the raw materials with various properties to fully exert the functions, mutually permeate and fuse.
Wherein, the tackifying resin in the third step is selected from TEGO AddBond LTH, and the inert solvent in the eighth step adopts ethanol.
Example two
The embodiment of the invention provides a non-toxic environment-friendly phenolic resin and a production process thereof, wherein the non-toxic environment-friendly phenolic resin comprises the following raw materials in parts by weight:
60 parts of plant phenol, 45 parts of paraformaldehyde, 10 parts of ethyl cellulose, 25 parts of n-butanol, 5 parts of sericite, 15 parts of ethylenediamine, 3 parts of tackifying resin, 2 parts of chitin powder, 0.5 part of flame retardant, 0.2 part of stabilizer and a plurality of parts of water.
It should be noted that: the eugenol is cardanol, and the toughening resin is selected from nitrile rubber modified epoxy resin.
The production process of the non-toxic environment-friendly phenolic resin comprises the following specific steps:
the method comprises the following steps: sequentially adding plant phenol, paraformaldehyde, ethyl cellulose, sericite, ethylenediamine, a stabilizer and water into a stirring machine with a heating function;
step two: starting a stirring machine, heating and stirring for 45 minutes at the temperature of 92 ℃, wherein the rotating speed of a stirring blade is 800 r/min;
step three: after stirring, sequentially adding tackifying resin, chitin powder, a flame retardant, a stabilizer and water into a stirring machine;
step four: starting the stirring machine again, heating and stirring for 25 minutes at the temperature of 96 ℃, wherein the rotating speed of the stirring blade is 800 r/min;
step five: after stirring, cooling to 60 ℃;
step six: cooling for 3min and maintaining at 60 deg.C, adding n-butanol into stirring machine with heating function;
step seven: starting the stirring machine again, heating to 78 ℃, stirring for 10 minutes at the rotating speed of the stirring blade of 250 r/min;
step eight: cooling the temperature of the mixture obtained in the seventh step to 40 ℃, and adding an inert solvent to adjust the pH value to 6;
step nine: and (5) standing the mixture obtained in the step eight for more than 3 hours to allow the raw materials with various properties to fully exert the functions, mutually permeate and fuse.
Wherein, the tackifying resin in the third step is selected from Toyobo saturated polyester resin 630, and the inert solvent in the eighth step adopts ethanol.
EXAMPLE III
The embodiment of the invention provides a non-toxic environment-friendly phenolic resin and a production process thereof, wherein the non-toxic environment-friendly phenolic resin comprises the following raw materials in parts by weight:
80 parts of plant phenol, 60 parts of paraformaldehyde, 20 parts of ethyl cellulose, 30 parts of n-butyl alcohol, 10 parts of sericite, 20 parts of ethylenediamine, 6 parts of tackifying resin, 8 parts of chitin powder, 0.8 part of flame retardant, 2 parts of stabilizer and a plurality of parts of water.
It should be noted that: the plant phenol is cardanol, and the toughening resin is polyurethane modified epoxy resin.
The production process of the non-toxic environment-friendly phenolic resin comprises the following specific steps:
the method comprises the following steps: sequentially adding plant phenol, paraformaldehyde, ethyl cellulose, sericite, ethylenediamine, a stabilizer and water into a stirring machine with a heating function;
step two: starting a stirring machine, heating and stirring for 65 minutes at the temperature of 102 ℃, wherein the rotating speed of a stirring blade is 1000 r/min;
step three: after stirring, sequentially adding tackifying resin, chitin powder, a flame retardant, a stabilizer and water into a stirring machine;
step four: starting the stirring machine again, heating and stirring for 35 minutes at the temperature of 98 ℃, wherein the rotating speed of the stirring blades is 1000 r/min;
step five: after stirring, cooling to 60 ℃;
step six: cooling for 5min and maintaining at 60 deg.C, adding n-butanol into stirring machine with heating function;
step seven: starting the stirring machine again, heating to 80 ℃, and stirring for 12 minutes at the rotating speed of the stirring blades of 300 r/min;
step eight: cooling the temperature of the mixture obtained in the seventh step to 60 ℃, and adding an inert solvent to adjust the pH value to 8;
step nine: and (5) standing the mixture obtained in the step eight for more than 5 hours to allow the raw materials with various properties to fully exert the functions, mutually permeate and fuse.
Wherein, the tackifying resin in the third step is selected from TEGO AddBond LTH, and the inert solvent in the eighth step adopts ethanol.
It should be noted that: the phenolic resin prepared by the method has the advantages that the plant phenol is used as a main raw material, so that harmful components such as formaldehyde and phenol are not released in the heating process, sericite and ethylenediamine are used for modifying the phenolic resin, the phenolic resin has high temperature resistance and good toughness, the rejection rate is effectively reduced, meanwhile, the added chitin powder is added into the production and preparation of the phenolic resin, so that the phenolic resin contains chitin, the chitin has a natural antibacterial effect, the broad-spectrum antibacterial rate is very high, alcohol-water pollutants are not generated in the preparation process, the content of the phenolic resin prepared by the method is in a standard range, the production process is energy-saving and environment-friendly, and the production cost is low.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. The non-toxic environment-friendly phenolic resin is characterized by comprising the following raw materials:
60-80 parts of plant phenol, 45-60 parts of paraformaldehyde, 10-20 parts of ethyl cellulose, 25-30 parts of n-butanol, 5-10 parts of sericite, 15-20 parts of ethylenediamine, 3-6 parts of tackifying resin, 2-8 parts of chitin powder, 0.5-0.8 part of flame retardant, 0.2-2 parts of stabilizer and a plurality of parts of water.
2. The non-toxic environment-friendly phenolic resin as claimed in claim 1, characterized in that the raw materials comprise the following components in parts by weight: 70 parts of plant phenol, 50 parts of paraformaldehyde, 15 parts of ethyl cellulose, 28 parts of n-butyl alcohol, 8 parts of sericite, 18 parts of ethylenediamine, 5 parts of tackifying resin, 6 parts of chitin powder, 0.6 part of flame retardant, 1.2 parts of stabilizer and a plurality of parts of water.
3. The non-toxic environment-friendly phenolic resin as claimed in claim 1, wherein the plant phenol is one or more selected from cardanol or eugenol.
4. The non-toxic environment-friendly phenolic resin according to claim 1, wherein the toughening resin is at least one selected from polyurethane modified epoxy resin, nitrile rubber modified epoxy resin and core-shell toughened epoxy resin.
5. The production process for preparing the non-toxic environment-friendly phenolic resin as described in any one of claims 1 to 4 is characterized by comprising the following specific steps:
the method comprises the following steps: sequentially adding plant phenol, paraformaldehyde, ethyl cellulose, sericite, ethylenediamine, a stabilizer and water into a stirring machine with a heating function;
step two: starting a stirring machine, heating and stirring for 45-65 minutes at the temperature of 92-102 ℃, wherein the rotating speed of a stirring blade is 800-;
step three: after stirring, sequentially adding tackifying resin, chitin powder, a flame retardant, a stabilizer and water into a stirring machine;
step four: starting the stirring machine again, heating and stirring for 25-35 minutes at the temperature of 96-98 ℃, wherein the rotating speed of the stirring blade is 800-;
step five: after stirring, cooling to 60 ℃;
step six: cooling for 3-5min and keeping at 60 deg.C, adding n-butanol into stirring machine with heating function;
step seven: starting the stirring machine again, heating and stirring for 10-12 minutes at the temperature of 78-80 ℃, wherein the rotating speed of the stirring blade is 250-300 r/min;
step eight: cooling the temperature of the mixture obtained in the seventh step to 40-60 ℃, and adding an inert solvent to adjust the pH value to 6-8;
step nine: and (5) standing the mixture obtained in the step eight for more than 3-5 hours to allow the raw materials with various properties to fully exert the functions, permeate and fuse mutually.
6. The process for producing non-toxic environment-friendly phenolic resin according to claim 5, wherein the tackifying resin in the third step is at least one selected from TEGO AddBond LTH, Toyo spin saturated polyester resin 630, 650, 670, GK360 and GK 590.
7. The production process of the non-toxic environment-friendly phenolic resin as claimed in claim 5, wherein the inert solvent in the step eight is ethanol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111301234.6A CN113881186A (en) | 2021-11-04 | 2021-11-04 | Non-toxic environment-friendly phenolic resin and production process thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111301234.6A CN113881186A (en) | 2021-11-04 | 2021-11-04 | Non-toxic environment-friendly phenolic resin and production process thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104098751A (en) * | 2013-04-03 | 2014-10-15 | 谢再锋 | Environment-friendly cardanol, urea synergistically modified phenolic resin and application thereof to high temperature resistant friction material |
| CN104785708A (en) * | 2015-04-17 | 2015-07-22 | 广西藤县通轩立信化学有限公司 | Preparation method of phenolic resin for casting |
| CN109898339A (en) * | 2019-03-12 | 2019-06-18 | 武汉市鸿盛华航旅服务股份有限公司 | The production method of high-strength abrasion-proof waterproof and breathable antibacterial fabric |
| CN111718456A (en) * | 2020-06-15 | 2020-09-29 | 义马瑞能化工有限公司 | Industrial glucose modified plant phenolic resin and synthetic method thereof |
-
2021
- 2021-11-04 CN CN202111301234.6A patent/CN113881186A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104098751A (en) * | 2013-04-03 | 2014-10-15 | 谢再锋 | Environment-friendly cardanol, urea synergistically modified phenolic resin and application thereof to high temperature resistant friction material |
| CN104785708A (en) * | 2015-04-17 | 2015-07-22 | 广西藤县通轩立信化学有限公司 | Preparation method of phenolic resin for casting |
| CN109898339A (en) * | 2019-03-12 | 2019-06-18 | 武汉市鸿盛华航旅服务股份有限公司 | The production method of high-strength abrasion-proof waterproof and breathable antibacterial fabric |
| CN111718456A (en) * | 2020-06-15 | 2020-09-29 | 义马瑞能化工有限公司 | Industrial glucose modified plant phenolic resin and synthetic method thereof |
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Application publication date: 20220104 |