CN103342892A - Bimaleimide resin toughening modifiers and preparation method thereof - Google Patents
Bimaleimide resin toughening modifiers and preparation method thereof Download PDFInfo
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Abstract
Bimaleimide resin toughening modifiers and a preparation method thereof are disclosed. The preparation method comprises: taking diallyl bisphenol A as the basis, carrying out etherification reaction by using a series of etherification reagents mainly comprising polyhydric alcohols, epoxy compounds, chlorohydrins, choroethers or the like, and reacting 20 parts by mass of diallyl bisphenol A and 15.0-72.0 parts by mass of the ether reagents, under catalysis of 2.2-8.8 parts by mass of an alkali (or an acid), at 60-150 DEG C for 1-10 h, to obtain a series of novel bimaleimide resin modifiers. The modifiers have good solubilizing and toughening effects on BMI bimaleimide resins without inhibition, and accurate control solidification of the bimaleimide resins is easy to realize in a use process.
Description
Technical field
The present invention relates to the preparation of bismaleimide resin (BDM), particularly plasticized modifier of a kind of bimaleimide resin and preparation method thereof.
Background technology
Ditane type bismaleimide resin (BDM) is most widely used a kind of in bismaleimides (BMI) resin.Because its structure has high rigidity and symmetry, make it have high temperature resistant, wear-resisting, high dielectric, high strength, high many particular performances such as weather-proof, thereby aspect special material, have great application prospect.As the light-weight high-strength material that space flight and aviation requires, the encapsulating material of electron trade, veneer sheet, the matrix material of multiple properties such as the brake facing of automobile industry, chassis, vehicle body, collision bumper.The rigidity that it is BDM that but BDM in use runs into a stubborn problem is too big, can not use separately, and is relatively poor again with the compatibility of other resin, and its use properties and use range are very limited.Be at present by outer adding assistant diallyl bisphenol to BDM solubilising, toughening modifying, make it obtain widespread use.But in use exist two bottleneck problems perplexing the industry-by-industry that uses BDM.The one, resin solidification temperature height not only cause the technological process energy dissipation big, and some industry can't be used.The 2nd, set time, fluctuation was bigger, was difficult to accurately control, technology controlling and process difficulty on production line.
Summary of the invention
In order to overcome the defective of above-mentioned prior art, the object of the present invention is to provide plasticized modifier of a kind of bimaleimide resin and preparation method thereof, basis at existing bismaleimide resin properties-correcting agent is passed through etherification modified, obtain a series of alcoholic hydroxies, not new modified dose of phenolic hydroxy group, such properties-correcting agent both had good solubilising, toughening effect to BMI class bismaleimide resin, did not produce inhibition again, made bismaleimide resin realize easily that in use accurately control is solidified.
In order to achieve the above object, technical scheme of the present invention is:
A kind of plasticized modifier of bimaleimide resin, its general structure is expressed as:
In the formula: X
1, X
2Be H or alkyl, Z is H, methyl, hydroxyl or chlorine, and n1 is 0,1,2 ... natural number, n2 are 1,2,3 ... natural number.
A kind of its preparation method of plasticized modifier of bimaleimide resin is as follows:
Step 1: according to the mass fraction: after 20 parts of diallyl bisphenols and 15.0～72.0 parts of etherifying reagent chloro cyclic ethers mix, stir 10～15min down at 40 ℃～120 ℃ and obtain the hybrid reaction system, in 30～120min, 2.2～8.8 parts of basic catalyst solid fractions are added in the above-mentioned hybrid reaction system, the rising temperature is reacted 1～10h down at 60～150 ℃; The toluene that adds 20-50 part with deionized water wash for several times, is neutral until elutant, steams the remaining etherifying reagent of reaction and organic solvent after the drying, obtains the etherificate diallyl bisphenol;
Basic catalyst in the step 1 adding mixed system comprises inorganic, the organic bases of NaOH, KOH, sodium methylate, sodium ethylate or potassium tert.-butoxide.
Step 2: carry out hydroxylating, according to the mass fraction: the etherificate diallyl bisphenol of getting 20 parts of step 1, add 40～150 parts of acidity or basic solutions, stir the plasticized modifier that 30～120min aftertreatment obtains bimaleimide resin down at 20～100 ℃
Described acidity or basic solution are a kind of in HCl solution, tosic acid solution, sulphuric acid soln, the NaOH solution, and wherein solvent is water, acetone, toluene, and its concentration is 5～35%wt.
Etherifying reagent in the step 1 substitutes the chloro cyclic ethers with following base class compound, comprises following three classes:
(1) glycol, glycol ether, triglycol, glycerine, propylene glycol, butyleneglycol or TriMethylolPropane(TMP);
(2) oxyethane, propylene oxide, tetrahydrofuran (THF) and the molecular weight that formed by them are at the polyether glycol below 400;
(3) comprise chloroethanol, the chloro-hydrin(e) of propylene chlorohydrin and ether;
When using above-mentioned three class etherifying reagents, then do not need the hydroxylating that carries out of step 2.Because above etherifying reagent and diallyl bisphenol can obtain containing the etherification reaction product of alcoholic extract hydroxyl group through step 1, reached a product alcoholic hydroxy, phenolic hydroxy group not, BMI class bismaleimide resin there are good solubilising, toughening effect, do not produce the synthetic target of inhibition again, therefore no longer need to carry out hydroxylating.
The basic catalyst that step 1 adds in the mixed system substitutes with an acidic catalyst, and an acidic catalyst comprises protonic acid or the Lewis acid of sulfuric acid, Phenylsulfonic acid, aluminum chloride, boron trifluoride, quaternary ammonium salt, organotin.
Plasticized modifier of bimaleimide resin of the present invention and preparation method thereof mainly is on the basis of diallyl bisphenol, masks phenolic hydroxyl group by etherification reaction, introduces alcoholic extract hydroxyl group simultaneously.
General structure of the present invention has kept agent structure and two two keys of diallyl bisphenol, eliminates the existence of phenolic hydroxyl group simultaneously, and radical polymerization is not had inhibition.By curing mechanism research in early stage, having found influences the controllable cured principal element of BDM resin.From the molecule aspect, design this novel BDM resin solubilising, the molecular structure of toughening auxiliary agent.This structure had both kept diallyl bisphenol original in BDM solubilising, toughness reinforcing favourable part, has removed again it is solidified disadvantageous phenolic hydroxyl group.This will make BDM accurate control and low-temperature curing in use become possibility, can improve and the energy-saving consumption-reducing of existing use technology, will raise the efficiency the generation great effect the BDM performance of composites.
Embodiment
Be described in further details below in conjunction with the present invention of embodiment, give an actual example but be not limited only to institute.
Embodiment one
The plasticized modifier of a kind of bimaleimide resin of present embodiment preparation, its general structure is expressed as:
The preparation method of present embodiment may further comprise the steps:
Step 1: add 20 gram diallyl bisphenols, 48.1 gram epoxy chloropropane in the there-necked flask that stirring and temperature regulating device are housed, stirring 15min is cooled to below 60 ℃ under 65 ℃, 6.5 gram NaOH solids is divided with 50min add for 2 times in the reaction system; The rising temperature is reacted 4h down at 75 ℃; Add deionized water, the salt that dissolving generates is used the separating funnel separatory, takes off a layer reaction solution, steams the remaining epoxy chloropropane of reaction; Add 30g toluene in the crude product that obtains, after being washed to water and showing neutrality with deionized water, boil off toluene, obtain etherificate diallyl bisphenol 23.4 grams.Related chemical equation is as follows:
Step 2: with the 23.4 gram etherificate diallyl bisphenols that step 1 obtains, add hydrochloric acid acetone soln 60 grams of 10%wt, 30 ℃ are stirred 60min down; Boil off acetone, add toluene dissolving crude product, pour this solution into separating funnel, after being washed to water and showing neutrality with deionized water, toluene is removed in distillation, obtains plasticized modifier 24.6 grams of bimaleimide resin, and related chemical equation is as follows:
Embodiment two
The plasticized modifier of a kind of bimaleimide resin of present embodiment preparation, its general structure is expressed as:
The preparation method of present embodiment may further comprise the steps:
Step 1: add 20 gram diallyl bisphenols, 60.1 gram epoxy chloropropane in the there-necked flask that stirring and temperature regulating device are housed, stirring 10min is cooled to below 60 ℃ under 65 ℃, 6.0 gram NaOH solids is divided with 60min add for 3 times in the reaction system; The rising temperature is reacted 3h down at 110 ℃; Add deionized water, the salt that dissolving generates is used the separating funnel separatory, takes off a layer reaction solution, steams the remaining epoxy chloropropane of reaction; Add 35g toluene in the crude product that obtains, after being washed to water and showing neutrality with deionized water, boil off toluene, obtain etherificate diallyl bisphenol 22.5 grams, related chemical equation is as follows:
Step 2: will add 20 gram toluene in resulting 22.5 products of step 1, add 3% the tosic acid aqueous solution, 15 grams again, stirring is warming up to 90 ℃ and reacted 2 hours down, separatory is removed unreacted water, be washed till neutrality with deionized water again, boil off toluene, obtain plasticized modifier 23.3 grams of bimaleimide resin, related chemical equation is as follows:
Embodiment three
The plasticized modifier of a kind of bimaleimide resin of present embodiment preparation, its general structure is expressed as:
The preparation method of present embodiment may further comprise the steps:
In the there-necked flask that stirring and temperature regulating device are housed, add 20 gram diallyl bisphenols, 55.2 gram chloroethanols, stirring 10min under 65 ℃; Be cooled to below 60 ℃, 4.0 gram NaOH solids used add in the reaction system; The rising temperature is reacted 4h down at 110 ℃; Add deionized water, the salt that dissolving generates is used the separating funnel separatory, takes off a layer reaction solution, steams the remaining chloroethanol of reaction; Add an amount of toluene in the crude product that obtains, after being washed to water and showing neutrality with deionized water, boil off toluene, obtain the plasticized modifier A20.4 gram of bimaleimide resin, related chemical equation is as follows:
Embodiment four
The plasticized modifier of a kind of bimaleimide resin of present embodiment preparation, its general structure is expressed as:
The preparation method of present embodiment may further comprise the steps:
In the there-necked flask that stirring and temperature regulating device are housed, add 20 gram diallyl bisphenols, 56.5 gram ring butyl ether (being tetrahydrofuran (THF)), under 55 ℃, stir 10min; 6.5 gram NaOH solids are divided with 60min add for 3 times in the reaction system; The rising temperature is at 63 ℃ of following back flow reaction 5.5h; Add deionized water wash, use the Calcium Chloride Powder Anhydrous drying, steam the remaining tetrahydrofuran (THF) of reaction.Obtain plasticized modifier 23.8 grams of bimaleimide resin, related chemical equation is as follows:
Claims (4)
1. the plasticized modifier of a bimaleimide resin is characterized in that, its general structure is expressed as:
In the formula: X
1, X
2Be H or alkyl, Z is H, methyl, hydroxyl or chlorine, and n1 is 0,1,2 ... natural number, n2 are 1,2,3 ... natural number.
2. the preparation method of the plasticized modifier of a bimaleimide resin is characterized in that, step is as follows:
Step 1: according to the mass fraction: after 20 parts of diallyl bisphenols and 15.0～72.0 parts of etherifying reagent chloro cyclic ethers mix, stir 10～15min down at 40 ℃～120 ℃ and obtain the hybrid reaction system, in 30～120min, 2.2～8.8 parts of basic catalyst solid fractions are added in the above-mentioned hybrid reaction system, the rising temperature is reacted 1～10h down at 60～150 ℃; The toluene that adds 30-50 part with deionized water wash for several times, is neutral until elutant, steams the remaining etherifying reagent of reaction and organic solvent after the drying, obtains the etherificate diallyl bisphenol;
Basic catalyst in the step 1 adding mixed system comprises inorganic, the organic bases of NaOH, KOH, sodium methylate, sodium ethylate or potassium tert.-butoxide.
Step 2: carry out hydroxylating, according to the mass fraction: the etherificate diallyl bisphenol of getting 20 parts of step 1, add 40～150 parts of acidity or basic solutions, stir the plasticized modifier that 30～120min aftertreatment obtains bimaleimide resin down at 20～100 ℃
Described acidity or basic solution are a kind of in HCl solution, tosic acid solution, sulphuric acid soln, the NaOH solution, and wherein solvent is water, acetone or toluene, and its concentration is 5～35%wt.
3. the preparation method of the plasticized modifier of a kind of bimaleimide resin according to claim 2 is characterized in that, the etherifying reagent in the step 1 substitutes the chloro cyclic ethers with following base class compound, comprises following three classes:
(1) glycol, glycol ether, triglycol, glycerine, propylene glycol, butyleneglycol or TriMethylolPropane(TMP);
(2) oxyethane, propylene oxide, tetrahydrofuran (THF) and the molecular weight that formed by them are at the polyether glycol below 400;
(3) comprise chloro-hydrin(e) and the ether of chloroethanol, propylene chlorohydrin;
When using above-mentioned three class etherifying reagents, then do not need the hydroxylating that carries out of step 2.
4. the preparation method of the plasticized modifier of a kind of bimaleimide resin according to claim 2, it is characterized in that, the basic catalyst that step 1 adds in the mixed system substitutes with an acidic catalyst, and an acidic catalyst comprises protonic acid or the Lewis acid of sulfuric acid, Phenylsulfonic acid, aluminum chloride, boron trifluoride, quaternary ammonium salt, organotin.
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| CN103709718A (en) * | 2013-12-19 | 2014-04-09 | 华为技术有限公司 | Thermosetting resin composition and applications thereof |
| CN103756315A (en) * | 2013-12-19 | 2014-04-30 | 华为技术有限公司 | Thermosetting resin composition and applications thereof |
| CN104861652A (en) * | 2015-05-28 | 2015-08-26 | 苏州生益科技有限公司 | Thermosetting resin composition, and prepreg and laminated board made from thermosetting resin composition |
| WO2016141458A1 (en) * | 2015-03-12 | 2016-09-15 | British Columbia Cancer Agency Branch | Bisphenol ether derivatives and methods for using the same |
| CN105968070A (en) * | 2016-05-19 | 2016-09-28 | 莱州市莱玉化工有限公司 | Diallyl bisphenol A diglycidyl ether and preparation process and application thereof |
| CN106946815A (en) * | 2016-01-07 | 2017-07-14 | 信越化学工业株式会社 | Aryl compound and manufacture method |
| US9862667B2 (en) | 2008-07-02 | 2018-01-09 | The University Of British Columbia | Diglycidic ether derivative therapeutics and methods for their use |
| US10654811B2 (en) | 2015-01-13 | 2020-05-19 | The University Of British Columbia | Heterocyclic compounds for cancer imaging and treatment and methods for their use |
| US11059795B2 (en) | 2018-10-18 | 2021-07-13 | Essa Pharma, Inc. | Androgen receptor modulators and methods for their use |
| US11142508B2 (en) | 2016-04-15 | 2021-10-12 | The University Of British Columbia | Bisphenol derivatives and their use as androgen receptor activity modulators |
| CN113666806A (en) * | 2020-05-15 | 2021-11-19 | 上海安谱实验科技股份有限公司 | Preparation method of bisphenol F2, 3-dihydroxypropyl (2-chloro-1-propyl) ethyl ether |
| US11242324B2 (en) | 2020-04-17 | 2022-02-08 | Essa Pharma, Inc. | Solid forms of an n-terminal domain androgen receptor inhibitor and uses thereof |
| CN114195769A (en) * | 2021-12-24 | 2022-03-18 | 长沙新材料产业研究院有限公司 | Polyimide modifier, composition and preparation method thereof |
| CN114213631A (en) * | 2021-12-17 | 2022-03-22 | 洛阳尖端技术研究院 | Resin toughening composition, resin toughening modifier, modified bismaleimide resin composition and cured product |
| US11485713B2 (en) | 2018-05-25 | 2022-11-01 | Essa Pharma, Inc. | Androgen receptor modulators and methods for their use |
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| CN103756315A (en) * | 2013-12-19 | 2014-04-30 | 华为技术有限公司 | Thermosetting resin composition and applications thereof |
| CN103709718B (en) * | 2013-12-19 | 2016-08-17 | 华为技术有限公司 | A kind of compositions of thermosetting resin and application thereof |
| CN103709718A (en) * | 2013-12-19 | 2014-04-09 | 华为技术有限公司 | Thermosetting resin composition and applications thereof |
| US11345670B2 (en) | 2015-01-13 | 2022-05-31 | The University Of British Columbia | Heterocyclic compounds for cancer imaging and treatment and methods for their use |
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| CN106946815B (en) * | 2016-01-07 | 2022-07-01 | 信越化学工业株式会社 | Aryl compound and method for producing same |
| CN106946815A (en) * | 2016-01-07 | 2017-07-14 | 信越化学工业株式会社 | Aryl compound and manufacture method |
| US11919874B2 (en) | 2016-04-15 | 2024-03-05 | The University Of British Columbia | Bisphenol derivatives and their use as androgen receptor activity modulators |
| US11142508B2 (en) | 2016-04-15 | 2021-10-12 | The University Of British Columbia | Bisphenol derivatives and their use as androgen receptor activity modulators |
| CN105968070A (en) * | 2016-05-19 | 2016-09-28 | 莱州市莱玉化工有限公司 | Diallyl bisphenol A diglycidyl ether and preparation process and application thereof |
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| US11059795B2 (en) | 2018-10-18 | 2021-07-13 | Essa Pharma, Inc. | Androgen receptor modulators and methods for their use |
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| US11358938B2 (en) | 2020-04-17 | 2022-06-14 | Essa Pharma, Inc. | Solid forms of an N-terminal domain androgen receptor inhibitor and uses thereof |
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| US11814357B2 (en) | 2020-04-17 | 2023-11-14 | Essa Pharma Inc. | Solid forms of an N-terminal domain androgen receptor inhibitor and uses thereof |
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| CN114213631B (en) * | 2021-12-17 | 2024-02-06 | 洛阳尖端技术研究院 | Resin toughening composition, resin toughening modifier, modified bismaleimide resin composition and cured product |
| CN114195769A (en) * | 2021-12-24 | 2022-03-18 | 长沙新材料产业研究院有限公司 | Polyimide modifier, composition and preparation method thereof |
| CN114195769B (en) * | 2021-12-24 | 2023-05-30 | 航天科工(长沙)新材料研究院有限公司 | Polyimide modifier, composition and preparation method thereof |
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