CN115521424A - Phenolic resin and preparation method and application thereof - Google Patents

Phenolic resin and preparation method and application thereof Download PDF

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Publication number
CN115521424A
CN115521424A CN202211302375.4A CN202211302375A CN115521424A CN 115521424 A CN115521424 A CN 115521424A CN 202211302375 A CN202211302375 A CN 202211302375A CN 115521424 A CN115521424 A CN 115521424A
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CN
China
Prior art keywords
parts
phenolic resin
stage
solution
phenol
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Pending
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CN202211302375.4A
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Chinese (zh)
Inventor
刘晨曦
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Wuhan University of Technology WUT
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Wuhan University of Technology WUT
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Priority to CN202211302375.4A priority Critical patent/CN115521424A/en
Publication of CN115521424A publication Critical patent/CN115521424A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G8/00Condensation polymers of aldehydes or ketones with phenols only
    • C08G8/04Condensation polymers of aldehydes or ketones with phenols only of aldehydes
    • C08G8/08Condensation polymers of aldehydes or ketones with phenols only of aldehydes of formaldehyde, e.g. of formaldehyde formed in situ
    • C08G8/24Condensation polymers of aldehydes or ketones with phenols only of aldehydes of formaldehyde, e.g. of formaldehyde formed in situ with mixtures of two or more phenols which are not covered by only one of the groups C08G8/10 - C08G8/20
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G8/00Condensation polymers of aldehydes or ketones with phenols only
    • C08G8/04Condensation polymers of aldehydes or ketones with phenols only of aldehydes
    • C08G8/08Condensation polymers of aldehydes or ketones with phenols only of aldehydes of formaldehyde, e.g. of formaldehyde formed in situ
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G8/00Condensation polymers of aldehydes or ketones with phenols only
    • C08G8/04Condensation polymers of aldehydes or ketones with phenols only of aldehydes
    • C08G8/08Condensation polymers of aldehydes or ketones with phenols only of aldehydes of formaldehyde, e.g. of formaldehyde formed in situ
    • C08G8/10Condensation polymers of aldehydes or ketones with phenols only of aldehydes of formaldehyde, e.g. of formaldehyde formed in situ with phenol
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G8/00Condensation polymers of aldehydes or ketones with phenols only
    • C08G8/04Condensation polymers of aldehydes or ketones with phenols only of aldehydes
    • C08G8/08Condensation polymers of aldehydes or ketones with phenols only of aldehydes of formaldehyde, e.g. of formaldehyde formed in situ
    • C08G8/20Condensation polymers of aldehydes or ketones with phenols only of aldehydes of formaldehyde, e.g. of formaldehyde formed in situ with polyhydric phenols
    • C08G8/22Resorcinol
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18Manufacture of films or sheets
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L61/00Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
    • C08L61/04Condensation polymers of aldehydes or ketones with phenols only
    • C08L61/06Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
    • C08L61/12Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols with polyhydric phenols
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J161/00Adhesives based on condensation polymers of aldehydes or ketones; Adhesives based on derivatives of such polymers
    • C09J161/04Condensation polymers of aldehydes or ketones with phenols only
    • C09J161/06Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
    • C09J161/12Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols with polyhydric phenols
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2361/00Characterised by the use of condensation polymers of aldehydes or ketones; Derivatives of such polymers
    • C08J2361/04Condensation polymers of aldehydes or ketones with phenols only
    • C08J2361/06Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
    • C08J2361/12Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols with polyhydric phenols

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)

Abstract

The invention discloses a phenolic resin and a preparation method and application thereof, wherein the phenolic resin comprises the following raw materials: 30-50 parts of phenol; 50-60 parts of formaldehyde; 5-10 parts of acetone; 5-10 parts of ethanol; 5-10 parts of polyvinyl acetal; 3-6 parts of resorcinol; 10-15 parts of dioxane; 6-12 parts of acidic lignin; 10-15 parts of polyhydroxy compound; 1-3 parts of a catalyst; 1-3 parts of a curing agent; 1-3 parts of a silane coupling agent. The invention adopts phenol, formaldehyde, acetone, ethanol, polyvinyl acetal, resorcinol, dioxane, acidic lignin, polyhydroxy compound, catalyst, curing agent and silane coupling agent to rapidly prepare the phenolic resin with strong structural stability, and can be applied to the preparation of molding powder, grinding wheels, friction plates, bulb bonding, asbestos products, insulating plates or decorative plates.

Description

Phenolic resin and preparation method and application thereof
Technical Field
The invention relates to the technical field of phenolic resin, in particular to phenolic resin and a preparation method and application thereof.
Background
Phenolic resin is a synthetic plastic, colorless or yellow brown transparent solid, also commonly called bakelite because of the use of many electrical equipment. The cutting fluid has the advantages of excellent heat resistance, flame resistance, water resistance and insulativity, better acid resistance, poor alkali resistance, good mechanical and electrical properties and easy cutting, and is divided into two types of thermosetting plastics and thermoplastic plastics.
Through retrieval, in a phenolic resin material with the publication number of CN112979896A and a preparation method and application thereof, the application discloses a phenolic resin material, the phenolic resin material has a hollow structure, and the particle size of the phenolic resin material is 100-1000 nm; the aperture size of the hollow structure of the phenolic resin material is 10-800 nm; the thickness of the shell layer of the phenolic resin material is 5-800 nm. The phenolic resin material has the advantages of shape diversity, high monodispersity and uniform granularity, and can simply and quickly synthesize hollow phenolic resin with various structures.
The general phenolic resin has poor structural stability, and is easy to cause deformation of products prepared from the phenolic resin, so that the phenolic resin with higher practicability, and a preparation method and application thereof are provided.
Disclosure of Invention
The invention aims to provide phenolic resin and a preparation method and application thereof, and solves the existing problems.
In order to achieve the purpose, the invention provides the following technical scheme: the phenolic resin comprises the following raw materials in parts by weight:
30-50 parts of phenol;
50-60 parts of formaldehyde;
5-10 parts of acetone;
5-10 parts of ethanol;
5-10 parts of polyvinyl acetal;
3-6 parts of resorcinol;
10-15 parts of dioxane;
6-12 parts of acidic lignin;
10-15 parts of polyhydroxy compound;
1-3 parts of a catalyst;
1-3 parts of a curing agent;
1-3 parts of a silane coupling agent.
The phenolic resin comprises the following raw materials in parts by weight:
45 parts of phenol;
50 parts of formaldehyde;
5 parts of acetone;
5 parts of ethanol;
5 parts of polyvinyl acetal;
4 parts of resorcinol;
10 parts of dioxane;
8 parts of acidic lignin;
10 parts of polyhydroxy compound;
2 parts of a catalyst;
1 part of a curing agent;
1 part of silane coupling agent.
Preferably, dioxane, acidic lignin and polyhydroxy compound are put into molten phenol, heated to reflux, cooled, and adjusted to neutral pH value to obtain lignin solution.
A preparation method of phenolic resin comprises the following steps:
s1, adding phenol, acetone, ethanol, polyvinyl acetal and resorcinol into a reaction kettle, dissolving in water, and sequentially mixing in three stages, namely, a stage A, a stage B and a stage C at the temperature of 30-120 ℃;
and (2) stage A: stirring at 30-60 deg.C for 15-30min at rotation speed of 800-1000r/min to obtain solution A;
and (B) stage: stirring at 60-70 deg.C for 10-15min at 1500-2000r/min, adding curing agent and silane coupling agent into solution A, and stirring for 5-15min to obtain solution B;
and C, stage: adding lignin solution into the solution B at 70-120 deg.C, stirring for 30-60min at 2000-3000r/min; preparation of phenolic resin solution
S2, cooling for 12-24h to prepare the phenolic resin.
The phenolic resin is applied to the preparation of molding powder, grinding wheels, friction plates, bulb bonding, asbestos products, insulating plates or decorative plates.
Compared with the prior art, the invention has the following beneficial effects:
the invention adopts phenol, formaldehyde, acetone, ethanol, polyvinyl acetal, resorcinol, dioxane, acidic lignin, polyhydroxy compound, catalyst, curing agent and silane coupling agent to rapidly prepare the phenolic resin with strong structural stability, and can be applied to the preparation of molding powder, grinding wheels, friction plates, bulb bonding, asbestos products, insulating plates or decorative plates.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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.
The phenolic resin comprises the following raw materials in parts by weight:
30-50 parts of phenol;
50-60 parts of formaldehyde;
5-10 parts of acetone;
5-10 parts of ethanol;
5-10 parts of polyvinyl acetal;
3-6 parts of resorcinol;
10-15 parts of dioxane;
6-12 parts of acidic lignin;
10-15 parts of polyhydroxy compound;
1-3 parts of a catalyst;
1-3 parts of a curing agent;
1-3 parts of a silane coupling agent.
The phenolic resin comprises the following raw materials in parts by weight:
45 parts of phenol;
50 parts of formaldehyde;
5 parts of acetone;
5 parts of ethanol;
5 parts of polyvinyl acetal;
4 parts of resorcinol;
10 parts of dioxane;
8 parts of acidic lignin;
10 parts of polyhydroxy compound;
2 parts of a catalyst;
1 part of a curing agent;
1 part of silane coupling agent.
Further, adding dioxane, acidic lignin and polyhydroxy compound into molten phenol, heating to reflux, cooling, and adjusting pH value to neutrality to obtain lignin solution.
A preparation method of phenolic resin comprises the following steps:
s1, adding phenol, acetone, ethanol, polyvinyl acetal and resorcinol into a reaction kettle, dissolving in water, and sequentially mixing in three stages, namely, a stage A, a stage B and a stage C at the temperature of 30-120 ℃;
and (2) stage A: stirring at 30-60 deg.C for 15-30min at rotation speed of 800-1000r/min to obtain solution A;
and (B) stage: stirring at 60-70 deg.C for 10-15min at 1500-2000r/min, adding curing agent and silane coupling agent into solution A, and stirring for 5-15min to obtain solution B;
and C, stage: adding lignin solution into the solution B at 70-120 deg.C, stirring for 30-60min at 2000-3000r/min; preparation of phenolic resin solution
S2, cooling for 12-24h to prepare the phenolic resin.
The phenolic resin is applied to the preparation of molding powder, grinding wheels, friction plates, bulb bonding, asbestos products, insulating plates or decorative plates.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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. The phenolic resin comprises the following raw materials in parts by weight:
30-50 parts of phenol;
50-60 parts of formaldehyde;
5-10 parts of acetone;
5-10 parts of ethanol;
5-10 parts of polyvinyl acetal;
3-6 parts of resorcinol;
10-15 parts of dioxane;
6-12 parts of acidic lignin;
10-15 parts of polyhydroxy compound;
1-3 parts of a catalyst;
1-3 parts of a curing agent;
1-3 parts of a silane coupling agent.
2. The phenolic resin according to claim 1, which specifically comprises the following raw materials in parts by weight:
45 parts of phenol;
50 parts of formaldehyde;
5 parts of acetone;
5 parts of ethanol;
5 parts of polyvinyl acetal;
4 parts of resorcinol;
10 parts of dioxane;
8 parts of acidic lignin;
10 parts of polyhydroxy compound;
2 parts of a catalyst;
1 part of a curing agent;
1 part of silane coupling agent.
3. The phenolic resin according to claim 1, wherein the solution of lignin is obtained by adding dioxane, acidic lignin and polyhydroxy compound into molten phenol, heating to reflux, cooling, and adjusting pH to neutral.
4. A process for the preparation of a phenolic resin as claimed in any of claims 1 to 3, comprising the steps of:
s1, adding phenol, acetone, ethanol, polyvinyl acetal and resorcinol into a reaction kettle, dissolving in water, and sequentially mixing in three stages, namely an A stage, a B stage and a C stage at the temperature of 30-120 ℃;
stage A: stirring at 30-60 deg.C for 15-30min at rotation speed of 800-1000r/min to obtain solution A;
and (B) stage: stirring at 60-70 deg.C for 10-15min at 1500-2000r/min, adding curing agent and silane coupling agent into solution A, and stirring for 5-15min to obtain solution B;
and C stage: adding the lignin solution into the solution B at 70-120 deg.C, stirring for 30-60min at 2000-3000r/min; preparation of phenolic resin solution
S2, cooling for 12-24h to prepare the phenolic resin.
5. Use of a phenolic resin as claimed in any one of claims 1 to 3 in the manufacture of moulding powders, grinding wheels, friction discs, bulb bonding, asbestos products, insulating panels or decorative panels.
CN202211302375.4A 2022-10-24 2022-10-24 Phenolic resin and preparation method and application thereof Pending CN115521424A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211302375.4A CN115521424A (en) 2022-10-24 2022-10-24 Phenolic resin and preparation method and application thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211302375.4A CN115521424A (en) 2022-10-24 2022-10-24 Phenolic resin and preparation method and application thereof

Publications (1)

Publication Number Publication Date
CN115521424A true CN115521424A (en) 2022-12-27

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Application Number Title Priority Date Filing Date
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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107629181A (en) * 2017-10-30 2018-01-26 湖南金泰检测检验有限公司 Phenol-formaldehyde resin modified, modified phenolic resin grease article and its preparation method and application
CN112442155A (en) * 2019-08-30 2021-03-05 山东圣泉新材料股份有限公司 Phenolic resin and preparation method and application thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107629181A (en) * 2017-10-30 2018-01-26 湖南金泰检测检验有限公司 Phenol-formaldehyde resin modified, modified phenolic resin grease article and its preparation method and application
CN112442155A (en) * 2019-08-30 2021-03-05 山东圣泉新材料股份有限公司 Phenolic resin and preparation method and application thereof

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