CN114805803A - Organic silicon modified polyimide resin and preparation method and application thereof - Google Patents

Organic silicon modified polyimide resin and preparation method and application thereof Download PDF

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CN114805803A
CN114805803A CN202210402858.5A CN202210402858A CN114805803A CN 114805803 A CN114805803 A CN 114805803A CN 202210402858 A CN202210402858 A CN 202210402858A CN 114805803 A CN114805803 A CN 114805803A
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polyimide resin
modified polyimide
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CN114805803B (en
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杜景龙
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Shanghai Tonglian New Material Technology Co ltd
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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
    • C08G73/00Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/06Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C08G73/10Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • C08G73/1067Wholly aromatic polyimides, i.e. having both tetracarboxylic and diamino moieties aromatically bound
    • 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
    • C08G73/00Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/06Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C08G73/10Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • C08G73/1003Preparatory processes
    • C08G73/1007Preparatory processes from tetracarboxylic acids or derivatives and diamines
    • 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
    • C08G73/00Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/06Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C08G73/10Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • C08G73/1057Polyimides containing other atoms than carbon, hydrogen, nitrogen or oxygen in the main chain
    • C08G73/106Polyimides containing other atoms than carbon, hydrogen, nitrogen or oxygen in the main chain containing silicon
    • 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
    • C08G73/00Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/06Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C08G73/10Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • C08G73/1067Wholly aromatic polyimides, i.e. having both tetracarboxylic and diamino moieties aromatically bound
    • C08G73/1071Wholly aromatic polyimides containing oxygen in the form of ether bonds in the main chain
    • 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
    • C09J179/00Adhesives based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen, with or without oxygen, or carbon only, not provided for in groups C09J161/00 - C09J177/00
    • C09J179/04Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
    • C09J179/08Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • 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
    • C08G2170/00Compositions for adhesives

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Abstract

The invention discloses an organic silicon modified polyimide resin and a preparation method and application thereof, wherein the structural formula of the organic silicon modified polyimide resin is shown as the formula (I):
Figure DDA0003600992100000011
wherein R is 1 Selected from the group consisting of oxy, carbonyl, -C (CH) 3 ) 2 -or-C (CF) 3 ) 2 ‑;R 2 Is selected from
Figure DDA0003600992100000012
Or
Figure DDA0003600992100000013
R 3 Selected from methyl, ethyl, phenyl, vinyl, methoxy, ethoxy or isopropoxy; r 4 Selected from methyl,
Figure DDA0003600992100000014
Or
Figure DDA0003600992100000015
R 51 、R 52 、R 53 、R 54 Are respectively selected from H, Br or
Figure DDA0003600992100000016
Wherein R is 51 、R 52 、R 53 、R 54 Not being H and/or B simultaneously r ;R 6 Selected from methyl or ethyl; m is not less than 1 and not more than 20; the value of n is more than or equal to 1 and less than or equal to 20. The organic silicon modified polyimide resin prepared by the invention is applied to preparing the adhesive, the bonding force of the obtained adhesive to metal and copper foil is moderate, and the problem of open circuit of the copper-clad wire caused by the problems of overlarge shrinkage rate, easy cracking due to cold and hot impact, low bonding strength and the like of the traditional polyurethane, organic silicon and modified epoxy adhesives is solved.

Description

Organic silicon modified polyimide resin and preparation method and application thereof
Technical Field
The invention belongs to the field of polymer materials, and particularly relates to an organic silicon modified polyimide resin, and a preparation method and application thereof.
Background
Polyimide resin is a material having outstanding properties such as excellent electrical insulation, wear resistance, high temperature resistance, and radiation resistance, and has excellent adhesion properties to metals, but polyimide resin has a rigid skeleton, has a high elastic modulus, and an adhesive layer made of polyimide has high hardness, high brittleness, and is prone to cracking. The organic silicon resin has excellent electrical insulation, high and low temperature resistance, moisture resistance and weather resistance, flexible molecular structure and excellent processing performance. The organic silicon is used for modifying the polyimide resin, so that the problems of high hardness, high brittleness and the like of polyimide can be solved, and the prepared bonding layer is not easy to crack.
However, the adhesive prepared from the organic silicon modified polyimide resin generally has the problems of low bonding strength, small bonding force, overhigh bonding strength, overlarge bonding force and the like, and when the adhesive is used for bonding a base material such as glass and the like and a copper foil, the base material such as glass and the like and the copper foil are easy to slip due to the low bonding strength and the small bonding force of the adhesive; when the adhesive strength of the adhesive is too high and the adhesive force is too high, stress is generated in the adhesive layer, and cracking is likely to occur, resulting in a decrease in adhesive performance.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the organic silicon modified polyimide resin, the organic silicon modified polyimide resin is applied to preparation and bonding to obtain the bonding agent with moderate expansion coefficient and good dimensional stability before and after curing, the expansion coefficient and bonding force of the obtained bonding agent to metal and copper foil are moderate, and the problems that glass and other base materials and copper foil are easy to crack and slip or a bonding layer is easy to crack due to stress and the like can be avoided.
The invention aims to provide an organic silicon modified polyimide resin, which has a structural formula shown as a formula (I):
Figure BDA0003600992090000021
wherein R is 1 Selected from oxy, carbonyl, -C (CH) 3 ) 2 -or-C (CF) 3 ) 2 -;
R 2 Is selected from
Figure BDA0003600992090000022
R 3 Selected from methyl, ethyl, phenyl, vinyl, methoxy, ethoxy or isopropoxy;
R 4 selected from methyl,
Figure BDA0003600992090000023
R 51 、R 52 、R 53 、R 54 Are respectively selected from H, Br or
Figure BDA0003600992090000024
Wherein R is 51 、R 52 、R 53 、R 54 Not H and/or Br at the same time;
R 6 selected from methyl or ethyl;
m is not less than 1 and not more than 20;
the value of n is more than or equal to 1 and less than or equal to 20.
Preferably, the structure of the silicone-modified polyimide resin is as follows:
Figure BDA0003600992090000025
wherein m is greater than or equal to 1 and less than or equal to 20, and n is greater than or equal to 1 and less than or equal to 20.
Preferably, the structure of the silicone-modified polyimide resin is as follows:
Figure BDA0003600992090000031
wherein m is more than or equal to 2 and less than or equal to 5, and n is more than or equal to 5 and less than or equal to 10.
The molecular weight and the substituent group structure of the organic silicon modified polyimide resin are changed, so that the organic silicon modified polyimide resin with good dimensional stability and high thermal stability is provided.
Preferably, the structure of the silicone-modified polyimide resin is as follows:
Figure BDA0003600992090000032
wherein m is more than or equal to 8 and less than or equal to 12, and n is more than or equal to 12 and less than or equal to 18.
The molecular weight and the substituent group structure of the organic silicon modified polyimide resin are changed, so that the organic silicon modified polyimide resin with low water absorption rate is provided.
The invention also aims to provide a preparation method of the organic silicon modified polyimide resin, which comprises the following steps:
s1, performing halogenation reaction on substituted cyclotetrasiloxane and halogen according to a molar ratio of 1: 1-8 to obtain bromo-cyclotetrasiloxane;
the substituted cyclotetrasiloxane has the structure:
Figure BDA0003600992090000041
wherein R is 4 Selected from methyl or phenyl;
s2, adding an alkali catalyst into the bromocyclotetrasiloxane, reacting at 60-110 ℃, and adding a silane coupling agent substituted by a terminal amino group to prepare amino-terminated bromophenyl polysiloxane, wherein the molar ratio of the bromocyclotetrasiloxane to the silane coupling agent substituted by the terminal amino group to the alkali catalyst is 1: 2-40: 0.02-0.04;
s3, mixing and reacting the amino-terminated bromophenyl polysiloxane, alkali metal and alkoxy chlorosilane in a weight ratio of 1: 0.1-0.2: 0.5-0.8 to obtain alkoxylated amino-terminated phenyl polysiloxane;
s4, mixing and reacting the alkoxylated amino-terminated phenyl polysiloxane and acid dianhydride in a weight ratio of 1: 1-1.5, and adding acetic anhydride for dehydration to obtain organic silicon modified polyimide resin;
the acid dianhydride has the structure:
Figure BDA0003600992090000042
wherein R is 1 Selected from the group consisting of oxy, carbonyl, -C (CH) 3 ) 2 -or-C (CF) 3 ) 2 -。
Preferably, in step S1, the molar ratio of the substituted cyclotetrasiloxane to the halogen is 1: 4-6.
Preferably, in step S2, the base catalyst is selected from strong organic bases.
Preferably, in step S3, the amino-terminated bromophenyl polysiloxane, alkali metal, and alkoxychlorosilane are in a weight ratio of 1:0.2: 0.6.
Preferably, in the step S3, the reaction temperature is 45-65 ℃.
The invention also aims to provide application of the organic silicon modified polyimide resin in preparation of adhesives.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present invention, 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. 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.
Example 1: and (3) preparing the organic silicon modified polyimide resin.
Step (ii) ofS1, under the protection of nitrogen, dissolving 1,3,5, 7-tetramethyl tetraphenyl cyclotetrasiloxane (1mol), iron powder (0.1mol) and anhydrous ferric trichloride (0.03mol) in 50mL of dichloromethane, stirring, and dropwise adding Br dissolved in 5mL of dichloromethane at room temperature 2 (1mol), stirring and reacting for 5h, and reacting the reaction liquid with Na 2 SO 3 The solution is fully mixed and stood for reaction, CH 2 Cl 2 Extracting, concentrating and precipitating with ethanol to obtain bromocyclotetrasiloxane;
s2, adding tetramethylammonium hydroxide (0.02mol) and tetrahydrofuran (50mL) into the bromocyclotetrasiloxane (1mol), reacting at 60 ℃ for 30min, adding 3-aminopropyl dimethyl methoxysilane (2mol), and continuing to react for 4h to obtain amino-terminated bromophenyl polysiloxane;
step S3, under the protection of nitrogen, mixing the amino-terminated bromophenyl polysiloxane (10g), sodium (1g), trimethoxychlorosilane (5g) and tetrahydrofuran (100mL), and reacting at 45 ℃ for 24 hours to obtain alkoxylated amino-terminated phenyl polysiloxane;
and S4, mixing the alkoxylated amino-terminated phenyl polysiloxane (20g), 3',4,4' -benzophenone tetracarboxylic dianhydride (20g) and 100mL of NMP, stirring at room temperature for reacting for 8h, adding acetic anhydride (5mL) and pyridine (5mL) for reacting for 4h, adding ethanol for precipitating, filtering, washing and drying to obtain the organic silicon modified polyimide resin.
The chemical structural formula of the prepared organic silicon modified polyimide resin is as follows:
Figure BDA0003600992090000061
wherein m is greater than or equal to 1 and less than or equal to 20, and n is greater than or equal to 1 and less than or equal to 20.
Example 2: and (3) preparing the organic silicon modified polyimide resin.
Step S1, under the protection of nitrogen, dissolving octaphenylcyclotetrasiloxane (1mol), iron powder (0.4mol) and anhydrous ferric trichloride (0.08mol) in 50mL of dichloromethane, stirring, and dropwise adding Br dissolved in 5mL of dichloromethane at room temperature 2 (8mol), stirring and reacting for 5h, and reacting the reaction liquid with Na 2 SO 3 The solution is fully mixed and stood for reaction, CH 2 Cl 2 Extracting, concentrating and precipitating with ethanol to obtain bromocyclotetrasiloxane;
s2, adding tetramethylammonium hydroxide (0.04mol) and toluene (50mL) into the bromocyclotetrasiloxane (1mol), reacting at 80 ℃ for 30min, adding 3-aminopropyl dimethyl methoxysilane (40mol), heating to 90 ℃ and reacting for 4h to obtain amino-terminated bromophenyl polysiloxane;
step S3, under the protection of nitrogen, mixing the amino-terminated bromophenyl polysiloxane (10g), potassium (2g), triethoxysilane (8g) and tetrahydrofuran (100mL), and reacting at 65 ℃ for 24 hours to obtain alkoxylated amino-terminated phenyl polysiloxane;
and S4, mixing the alkoxylated amino-terminated phenyl polysiloxane (20g), 2,3,3',4' -diphenyl ether tetracarboxylic dianhydride (30g) and 100mL of NMP, stirring at room temperature for reacting for 8h, adding acetic anhydride (6mL) and pyridine (6mL) for reacting for 4h, adding ethanol for precipitating, filtering, washing and drying to obtain the organic silicon modified polyimide resin.
Figure BDA0003600992090000062
Wherein R is
Figure BDA0003600992090000071
m is greater than or equal to 1 and less than or equal to 20, and n is greater than or equal to 1 and less than or equal to 20.
Example 3: and (3) preparing the organic silicon modified polyimide resin.
Step S1, under the protection of nitrogen, dissolving 1,3,5, 7-tetramethyl tetraphenyl cyclotetrasiloxane (1mol), iron powder (0.2mol) and anhydrous ferric trichloride (0.05mol) in 50mL of dichloromethane, stirring, and dropwise adding Br dissolved in 5mL of dichloromethane at room temperature 2 (2mol), stirring and reacting for 5h, and reacting the reaction liquid with Na 2 SO 3 The solution is fully mixed and stood for reaction, CH 2 Cl 2 Extracting, concentrating, precipitating with ethanol to obtain bromocyclotetrasiloxane;
s2, adding tetramethylammonium hydroxide (0.03mol) and toluene (50mL) into the bromocyclotetrasiloxane (1mol), reacting at 100 ℃ for 30min, adding N- (2-aminoethyl) -3-aminopropyltrimethoxysilane (20mol), heating to 110 ℃ and reacting for 4h to obtain amino-terminated bromophenyl polysiloxane;
step S3, under the protection of nitrogen, mixing the amino-terminated bromophenyl polysiloxane (10g), potassium (2g), triethoxysilane (6g) and tetrahydrofuran (100mL), and reacting at 55 ℃ for 24 hours to obtain alkoxylated amino-terminated phenyl polysiloxane;
and S4, mixing the alkoxylated amino-terminated phenyl polysiloxane (20g), 4' - (isopropylene) diphthalic anhydride (25g) and 100mL of NMP, stirring at room temperature for reaction for 8h, adding acetic anhydride (6mL) and pyridine (6mL) for reaction for 4h, adding ethanol for precipitation, filtering, washing and drying to obtain the organic silicon modified polyimide resin.
Figure BDA0003600992090000072
Wherein m is greater than or equal to 1 and less than or equal to 20, and n is greater than or equal to 1 and less than or equal to 20.
Example 4: and (3) preparing the organic silicon modified polyimide resin.
Step S1, under the protection of nitrogen, dissolving 1,3,5, 7-tetramethyl tetraphenyl cyclotetrasiloxane (1mol), iron powder (0.2mol) and anhydrous ferric trichloride (0.05mol) in 50mL of dichloromethane, stirring, and dropwise adding Br dissolved in 5mL of dichloromethane at room temperature 2 (4mol), stirring and reacting for 5h, and reacting the reaction liquid with Na 2 SO 3 The solution is fully mixed and stood, CH 2 Cl 2 Extracting, concentrating and precipitating with ethanol to obtain bromocyclotetrasiloxane;
s2, adding tetramethylammonium hydroxide (0.03mol) and toluene (50mL) into the bromocyclotetrasiloxane (1mol), reacting at 80 ℃ for 30min, adding 3-aminopropyl dimethyl methoxysilane (40mol), heating to 100 ℃ and reacting for 4h to obtain amino-terminated bromophenyl polysiloxane;
step S3, under the protection of nitrogen, mixing the amino-terminated bromophenyl polysiloxane (10g), potassium (2g), trimethoxychlorosilane (6g) and tetrahydrofuran (100mL), and reacting at 55 ℃ for 24 hours to obtain alkoxylated amino-terminated phenyl polysiloxane;
and S4, mixing the alkoxylated amino-terminated phenyl polysiloxane (20g), 3',4,4' -benzophenone tetracarboxylic dianhydride (25g) and 100mL of NMP, stirring at room temperature for reacting for 8h, adding acetic anhydride (6mL) and pyridine (6mL) for reacting for 4h, adding ethanol for precipitating, filtering, washing and drying to obtain the organic silicon modified polyimide resin.
Figure BDA0003600992090000081
Wherein m is greater than or equal to 1 and less than or equal to 20, and n is greater than or equal to 1 and less than or equal to 20.
Example 5: and (3) preparing the organic silicon modified polyimide resin.
Step S1, under the protection of nitrogen, dissolving 1,3,5, 7-tetramethyl tetraphenyl cyclotetrasiloxane (1mol), iron powder (0.2mol) and anhydrous ferric trichloride (0.05mol) in 50mL of dichloromethane, stirring, and dropwise adding Br dissolved in 5mL of dichloromethane at room temperature 2 (4mol), stirring and reacting for 5h, and reacting the reaction liquid with Na 2 SO 3 The solution is fully mixed and stood for reaction, CH 2 Cl 2 Extracting, concentrating and precipitating with ethanol to obtain bromocyclotetrasiloxane;
s2, adding tetramethylammonium hydroxide (0.03mol) and toluene (50mL) into the bromocyclotetrasiloxane (1mol), reacting at 70 ℃ for 15min, adding 3-aminopropyltriisopropoxysilane (40mol), and continuing to react for 2h to obtain amino-terminated bromophenyl polysiloxane;
step S3, under the protection of nitrogen, mixing the amino-terminated bromophenyl polysiloxane (10g), potassium (2g), trimethoxychlorosilane (3g) and tetrahydrofuran (100mL), and reacting at 65 ℃ for 24 hours to obtain alkoxylated amino-terminated phenyl polysiloxane;
and S4, mixing the alkoxylated amino-terminated phenyl polysiloxane (20g), 4' - (hexafluoroisopropylidene) diphthalic anhydride (25g) and 100mL of NMP, stirring at room temperature for reacting for 6h, adding acetic anhydride (6mL) and pyridine (6mL) for reacting for 6h, adding ethanol for precipitating, filtering, washing and drying to obtain the organic silicon modified polyimide resin.
Figure BDA0003600992090000091
Wherein m is more than or equal to 2 and less than or equal to 5, and n is more than or equal to 5 and less than or equal to 10.
Example 6: and (3) preparing the organic silicon modified polyimide resin.
Step S1, under the protection of nitrogen, dissolving 1,3,5, 7-tetramethyl tetraphenyl cyclotetrasiloxane (1mol), iron powder (0.2mol) and anhydrous ferric trichloride (0.05mol) in 50mL of dichloromethane, stirring, and dropwise adding Br dissolved in 5mL of dichloromethane at room temperature 2 (4mol), stirring and reacting for 5h, and reacting the reaction liquid with Na 2 SO 3 The solution is fully mixed and stood for reaction, CH 2 Cl 2 Extracting, concentrating and precipitating with ethanol to obtain bromocyclotetrasiloxane;
s2, adding tetramethylammonium hydroxide (0.03mol) and toluene (50mL) into the bromocyclotetrasiloxane (1mol), reacting at 80 ℃ for 15min, adding 3-aminopropyl dimethyl methoxysilane (40mol), and continuing to react for 2h to obtain amino-terminated bromophenyl polysiloxane;
step S3, under the protection of nitrogen, mixing the amino-terminated bromophenyl polysiloxane (10g), potassium (2g), trimethoxychlorosilane (6g) and tetrahydrofuran (100mL), and reacting at 65 ℃ for 24 hours to obtain alkoxylated amino-terminated phenyl polysiloxane;
and S4, mixing the alkoxylated amino-terminated phenyl polysiloxane (20g), 3',4,4' -diphenyl ether tetracarboxylic dianhydride (25g) and 100mL of NMP, stirring at room temperature for reaction for 7h, adding acetic anhydride (6mL) and pyridine (6mL) for reaction for 5h, adding ethanol for precipitation, filtering, washing and drying to obtain the organic silicon modified polyimide resin.
Figure BDA0003600992090000101
Wherein m is more than or equal to 8 and less than or equal to 12, and n is more than or equal to 12 and less than or equal to 18.
Example 7: and (4) preparing the adhesive.
Mixing 0-10 parts by weight of barium titanate, 0-2 parts by weight of titanium dioxide, 5-10 parts by weight of phenyltrimethoxysilane, 1-3 parts by weight of silane coupling agent KH-5501, 0.5-1 part by weight of glass microspheres, 2-6 parts by weight of toluene, 0-6 parts by weight of absolute ethyl alcohol and 2-6 parts by weight of butanone, and then ball-milling for 6 hours in a ball mill; and adding 0-10 parts by weight of hydrogenated terpene resin and 30-40 parts by weight of the organic silicon modified polyimide resin prepared in the example 1, and continuing ball milling for 8 hours to obtain the adhesive.
Example 8: and (4) preparing the adhesive.
The silicone-modified polyimide resin prepared in example 1 of example 7 was replaced with the silicone-modified polyimide resin prepared in example 2, and the remaining steps were unchanged.
Example 9: and (4) preparing the adhesive.
The silicone-modified polyimide resin prepared in example 1 of example 7 was replaced with the silicone-modified polyimide resin prepared in example 3, and the remaining steps were unchanged.
Example 10: and (4) preparing the adhesive.
The silicone-modified polyimide resin prepared in example 1 of example 7 was replaced with the silicone-modified polyimide resin prepared in example 4, and the remaining steps were unchanged.
Example 11: and (4) preparing the adhesive.
The silicone-modified polyimide resin prepared in example 1 of example 7 was replaced with the silicone-modified polyimide resin prepared in example 5, and the remaining steps were unchanged.
Example 12: and (4) preparing the adhesive.
The silicone-modified polyimide resin prepared in example 1 of example 7 was replaced with the silicone-modified polyimide resin prepared in example 6, and the remaining steps were unchanged.
And (3) performance testing:
testing the adhesive force: the adhesives prepared in examples 7-11 were coated on copper foils, respectively, and then placed in a preheated oven and baked at 220 ℃ for 30min to remove residual solvent, to obtain test pieces of examples 7-11, and the adhesion tests were performed on the test pieces of examples 7-11 by 180-degree reverse peeling.
And (3) testing thermal stability: the silicone modified polyimide resins obtained in examples 1-6 were each tested using differential thermal scanning and the temperature at which the silicone modified polyimide resins obtained in examples 1-6 lost 10% thermal weight was recorded.
Water absorption test: 2g of each of the silicone-modified polyimide resins prepared in examples 1 to 6 was left in distilled water at room temperature for 24 hours, taken out and then dried at 110 ℃ for 2 hours, taken out and weighed according to the standard of IPC-TM-650 in the United states, and the water absorption was calculated from the weight difference.
TABLE 1 results of the performance tests of the resins obtained in examples 1 to 6 and the adhesives obtained in examples 7 to 11.
Figure BDA0003600992090000111
Figure BDA0003600992090000121
Finally, it should be noted that the above-mentioned embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above-mentioned embodiments, it should be understood by those skilled in the art that the modifications and equivalents of the specific embodiments of the present invention can be made by those skilled in the art after reading the present specification, but these modifications and variations do not depart from the scope of the claims of the present application.

Claims (10)

1. An organic silicon modified polyimide resin is characterized in that the structural formula of the organic silicon modified polyimide resin is shown as the formula (I):
Figure FDA0003600992080000011
wherein R is 1 Selected from the group consisting of oxy, carbonyl, -C (CH) 3 ) 2 -or-C (CF) 3 ) 2 -;
R 2 Is selected from
Figure FDA0003600992080000012
R 3 Selected from methyl, ethyl, phenyl, vinyl, methoxy, ethoxy or isopropoxy;
R 4 selected from methyl,
Figure FDA0003600992080000013
R 51 、R 52 、R 53 、R 54 Are respectively selected from H, Br or
Figure FDA0003600992080000014
Wherein R is 51 、R 52 、R 53 、R 54 Not H and/or Br at the same time;
R 6 selected from methyl or ethyl;
m is not less than 1 and not more than 20;
the value of n is more than or equal to 1 and less than or equal to 20.
2. The silicone-modified polyimide resin of claim 1, wherein the silicone-modified polyimide resin has the following structure:
Figure FDA0003600992080000021
wherein m is greater than or equal to 1 and less than or equal to 20, and n is greater than or equal to 1 and less than or equal to 20.
3. The silicone-modified polyimide resin of claim 1, wherein the silicone-modified polyimide resin has the following structure:
Figure FDA0003600992080000022
wherein m is more than or equal to 2 and less than or equal to 5, and n is more than or equal to 5 and less than or equal to 10.
4. The silicone-modified polyimide resin of claim 1, wherein the silicone-modified polyimide resin has the following structure:
Figure FDA0003600992080000023
wherein m is more than or equal to 8 and less than or equal to 12, and n is more than or equal to 12 and less than or equal to 18.
5. A method for producing the silicone-modified polyimide resin according to any one of claims 1 to 4, comprising the steps of:
s1, performing halogenation reaction on substituted cyclotetrasiloxane and halogen according to a molar ratio of 1: 1-8 to obtain bromo-cyclotetrasiloxane;
the substituted cyclotetrasiloxane has the structure:
Figure FDA0003600992080000031
wherein R is 4 Selected from methyl or phenyl;
s2, adding an alkali catalyst into the bromocyclotetrasiloxane, reacting at 60-110 ℃, and adding a silane coupling agent substituted by a terminal amino group to prepare amino-terminated bromophenyl polysiloxane, wherein the molar ratio of the bromocyclotetrasiloxane to the silane coupling agent substituted by the terminal amino group to the alkali catalyst is 1: 2-40: 0.02-0.04;
s3, mixing and reacting the amino-terminated bromophenyl polysiloxane, alkali metal and alkoxy chlorosilane in a weight ratio of 1: 0.1-0.2: 0.5-0.8 to obtain alkoxylated amino-terminated phenyl polysiloxane;
s4, mixing and reacting the alkoxylated amino-terminated phenyl polysiloxane and acid dianhydride in a weight ratio of 1: 1-1.5, and adding acetic anhydride for dehydration to obtain organic silicon modified polyimide resin;
the acid dianhydride has the structure as follows:
Figure FDA0003600992080000032
wherein R is 1 Selected from the group consisting of oxy, carbonyl, -C (CH) 3 ) 2 -or-C (CF) 3 ) 2 -。
6. The method of preparing the silicone-modified polyimide resin according to claim 3, wherein in step S1, the molar ratio of the substituted cyclotetrasiloxane to the halogen is 1:4 to 6.
7. The method for producing the silicone-modified polyimide resin according to claim 3, wherein in step S2, the alkali catalyst is selected from strong organic bases.
8. The method of preparing the silicone-modified polyimide resin according to claim 3, wherein in step S3, the amino-terminated bromophenyl polysiloxane, alkali metal, and alkoxychlorosilane are in a weight ratio of 1:0.2: 0.6.
9. The method for preparing the silicone-modified polyimide resin according to claim 3, wherein in step S3, the reaction temperature is 45 to 65 ℃.
10. Use of the silicone-modified polyimide resin according to any one of claims 1 to 2 in the preparation of an adhesive.
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003252991A (en) * 2002-02-28 2003-09-10 Dow Corning Toray Silicone Co Ltd Acrylic or methacrylic functional silicone-modified polyimide resin, its manufacturing method and photosensitive resin composition
CN104387546A (en) * 2014-12-17 2015-03-04 武汉大学 Phenyl organic silicon modified polyurethane resin, preparation method and application thereof
CN108864932A (en) * 2017-05-11 2018-11-23 信越化学工业株式会社 Silicone-modified polyimides resin combination
JP2018188626A (en) * 2017-05-11 2018-11-29 信越化学工業株式会社 Silicone-modified polyimide resin composition
CN113831534A (en) * 2021-11-05 2021-12-24 江西有泽新材料科技有限公司 Preparation and application of organic silicon modified hyperbranched polyimide resin

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003252991A (en) * 2002-02-28 2003-09-10 Dow Corning Toray Silicone Co Ltd Acrylic or methacrylic functional silicone-modified polyimide resin, its manufacturing method and photosensitive resin composition
CN104387546A (en) * 2014-12-17 2015-03-04 武汉大学 Phenyl organic silicon modified polyurethane resin, preparation method and application thereof
CN108864932A (en) * 2017-05-11 2018-11-23 信越化学工业株式会社 Silicone-modified polyimides resin combination
JP2018188626A (en) * 2017-05-11 2018-11-29 信越化学工業株式会社 Silicone-modified polyimide resin composition
CN113831534A (en) * 2021-11-05 2021-12-24 江西有泽新材料科技有限公司 Preparation and application of organic silicon modified hyperbranched polyimide resin

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
徐伟箭, 王旭东, 黄翠华, 梁志武, 刘永利: "羧酸衍生物取代甲基苯基聚硅烷制备杂取代聚硅烷", 高分子学报, no. 05, pages 571 - 575 *

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