CN107383790A - A kind of epoxy resin toughened mold materials and preparation method thereof - Google Patents
A kind of epoxy resin toughened mold materials and preparation method thereof Download PDFInfo
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- CN107383790A CN107383790A CN201710799338.1A CN201710799338A CN107383790A CN 107383790 A CN107383790 A CN 107383790A CN 201710799338 A CN201710799338 A CN 201710799338A CN 107383790 A CN107383790 A CN 107383790A
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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
- C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/04—Thermoplastic elastomer
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention provides a kind of epoxy resin toughened mold materials and preparation method thereof, the raw material of the mold materials includes：E44 epoxy resin, polysulfide rubber, TPUE, makrolon, low molecular polyamides, graphite, short glass fiber, toluene, n-butanol, polymethyl methacrylate, curing agent, plasticizer, stabilizer, lubricant, emulsifying agent.Its preparation method is first to mix E44 epoxy resin, makrolon, low molecular polyamides, graphite, short glass fiber, polymethyl methacrylate, ball milling, mixture is added in the mixed liquor of toluene and n-butanol again, high-speed stirred, add polysulfide rubber, TPUE, curing agent, plasticizer, stabilizer, lubricant and emulsifying agent, ultrasonic disperse, finally mixture is solidified, you can.Epoxy resin mold material impact resistance produced by the present invention is good, compressive strength is high, curing rate is very fast.
Description
Technical field
The invention belongs to resin die field of material technology, and in particular to a kind of epoxy resin toughened mold materials and its system
Preparation Method.
Background technology
Resin base fast mould material is a kind of new function material developed in recent years, has higher shape steady
Qualitative, rigidity, impact flexibility, hardness and good processing characteristics, heat resistance, surface characteristic and corrosion resistance etc., with respect to matter
Amount it is lighter, be easy to retrofit or repair again, and speed faster, cost it is lower, can not only shorten the Production Time of mould, reduce mould
Cost of manufacture, moreover it is possible to improve mould machining accuracy.It is used widely in multiple fields such as toy, building, automobile, chemical industry, can
To say that the appearance of resin base rapid die design has effectively promoted the fast development of mould industry.
Resin base fast mould material must is fulfilled for：It can be poured into a mould under normal temperature, normal pressure；Good fluidity, easily it is full of
Various die cavities；Low boilers are generated during solidification or gas is seldom, and hardening time is short；Chemical reaction is gentle, and volume contraction is smaller,
It is not likely to produce shrinkage cavity and residualinternal stress.Epoxy resin is one of the most frequently used mold materials, and it solidifies post-crosslinking into insoluble tree
Fat solidfied material, there is excellent mechanical property, processing characteristics, chemical proofing, electric insulating quality, dimensional stability, low suction
Water rate, cohesiveness, corrosion resistance etc..But epoxy resin fragility is high, heatproof is low, have impact on service life, therefore, to asphalt mixtures modified by epoxy resin
The toughening modifying of fat mold materials just seems very necessary.
The content of the invention
It is an object of the invention to provide a kind of epoxy resin toughened mold materials and preparation method thereof.
A kind of epoxy resin toughened mold materials, raw material include in parts by weight：100 parts of E44 epoxy resin, polysulfide rubber
15-23 parts, TPUE 3-6 parts, makrolon 2-4 parts, low molecular polyamides 1-3 parts, graphite 20-30
Part, short glass fiber 3-5 parts, toluene 4-7 parts, n-butanol 3-8 parts, polymethyl methacrylate 2-5 parts, curing agent 8-12
Part, plasticizer 2-6 parts, stabilizer 1-3 parts, lubricant 1-3 parts, emulsifying agent 0.8-1.5 parts.
Preferably, the plasticizer is dioctyl phthalate.
Preferably, the stabilizer is organic tin stabilizer.
Preferably, the lubricant is paraffin or stearic acid.
Preferably, the emulsifying agent is fatty alcohol copolyether.
The preparation method of above-mentioned epoxy resin toughened mold materials, comprises the following steps：
Step 1, by E44 epoxy resin, makrolon, low molecular polyamides, graphite, short glass fiber, polymethyl
Sour methyl esters mixing, ball milling, obtains mixture one；
Step 2, mixture one is added in the mixed liquor of toluene and n-butanol, high-speed stirred, adds polysulfide rubber, thermoplastic poly
Urethane elastomer, curing agent, plasticizer, stabilizer, lubricant and emulsifying agent, ultrasonic disperse, obtain mixture two；
Step 3, mixture is solidified, you can.
Preferably, solidification temperature is 64-72 DEG C in step 3.
The present invention from E44 epoxy resin as matrix, E types epoxy resin it is uncured it is preceding be linear thermoplastic's resin,
With the curing agent resin cured matter that to coordinate solidification post-crosslinking Cheng Burong insoluble, excellent mechanical performance, processing characteristics, resistance to is shown
Chemicals, electric insulating quality, dimensional stability, low water absorption, adhesive property and corrosion resistance；Add polysulfide rubber and heat
For plastic polyurethane elastomer as toughener, polysulfide rubber had both played toughness reinforcing, modifying function as plasticized modifier, and because containing-SH
Base, which plays cured epoxy resin, can further improve the impact strength of solidfied material, improve the toughness of epoxy resin；Graphite is firm
Property it is big, be added in epoxy-resin systems, add the rigidity of epoxy resin, make the reduction of its impact strength, graphite is as scattered
Type filler, when dosage is few, the structure and mechanical property of epoxy curing compound will not be destroyed.Because curing reaction is epoxy radicals and active H
The reaction of generation.Temperature raises, and the motion ratio of strand is fiercer, and solidification is very fast；After solidification, because of the thermal effect of high-molecular compound
It should be showed by some stress of molecule interchain, therefore impact strength is raised and raised with solidification temperature, selection solidification temperature
Spend for 64-72 DEG C when, solidification solidify afterwards thing tridimensional network show higher compressive strength.
Epoxy resin mold material impact resistance produced by the present invention is good, compressive strength is high, curing rate is very fast.
Embodiment
Embodiment 1
A kind of epoxy resin toughened mold materials, raw material include in parts by weight：100 parts of E44 epoxy resin, polysulfide rubber 15
Part, 3 parts of TPUE, 2 parts of makrolon, 1 part of low molecular polyamides, 20 parts of graphite, short glass fiber 3
Part, 4 parts of toluene, 3 parts of n-butanol, 2 parts of polymethyl methacrylate, 8 parts of curing agent, 2 parts of plasticizer, 1 part of stabilizer, lubricant
1 part, 0.8 part of emulsifying agent.
Wherein, the plasticizer is dioctyl phthalate；The stabilizer is organic tin stabilizer；The lubrication
Agent is paraffin or stearic acid；The emulsifying agent is fatty alcohol copolyether.
The preparation method of above-mentioned epoxy resin toughened mold materials, comprises the following steps：
Step 1, by E44 epoxy resin, makrolon, low molecular polyamides, graphite, short glass fiber, polymethyl
Sour methyl esters mixing, ball milling, obtains mixture one；
Step 2, mixture one is added in the mixed liquor of toluene and n-butanol, high-speed stirred, adds polysulfide rubber, thermoplastic poly
Urethane elastomer, curing agent, plasticizer, stabilizer, lubricant and emulsifying agent, ultrasonic disperse, obtain mixture two；
Step 3, mixture is solidified, solidification temperature is 64-72 DEG C, you can.
The impact strength of gained epoxy resin mold material is 49.8kJ/m2, compressive strength 325.7MPa, hardening time
For 275min.
Embodiment 2
A kind of epoxy resin toughened mold materials, raw material include in parts by weight：100 parts of E44 epoxy resin, polysulfide rubber 18
Part, 4 parts of TPUE, 3 parts of makrolon, 1.3 parts of low molecular polyamides, 24 parts of graphite, staple glass fibre
4 parts of dimension, 5 parts of toluene, 4 parts of n-butanol, 3 parts of polymethyl methacrylate, 9 parts of curing agent, 3 parts of plasticizer, 2 parts of stabilizer, profit
1.6 parts of lubrication prescription, 1.1 parts of emulsifying agent.
Wherein, the plasticizer is dioctyl phthalate；The stabilizer is organic tin stabilizer；The lubrication
Agent is paraffin or stearic acid；The emulsifying agent is fatty alcohol copolyether.
The preparation method of above-mentioned epoxy resin toughened mold materials, comprises the following steps：
Step 1, by E44 epoxy resin, makrolon, low molecular polyamides, graphite, short glass fiber, polymethyl
Sour methyl esters mixing, ball milling, obtains mixture one；
Step 2, mixture one is added in the mixed liquor of toluene and n-butanol, high-speed stirred, adds polysulfide rubber, thermoplastic poly
Urethane elastomer, curing agent, plasticizer, stabilizer, lubricant and emulsifying agent, ultrasonic disperse, obtain mixture two；
Step 3, mixture is solidified, solidification temperature is 64-72 DEG C, you can.
The impact strength of gained epoxy resin mold material is 51.3kJ/m2, compressive strength 354.2MPa, hardening time
For 236min.
Embodiment 3
A kind of epoxy resin toughened mold materials, raw material include in parts by weight：100 parts of E44 epoxy resin, polysulfide rubber 19
Part, 5 parts of TPUE, 3 parts of makrolon, 2 parts of low molecular polyamides, 27 parts of graphite, short glass fiber 4
Part, 6 parts of toluene, 7 parts of n-butanol, 4 parts of polymethyl methacrylate, 11 parts of curing agent, 5 parts of plasticizer, 2 parts of stabilizer, lubrication
2 parts of agent, 1.3 parts of emulsifying agent.
Wherein, the plasticizer is dioctyl phthalate；The stabilizer is organic tin stabilizer；The lubrication
Agent is paraffin or stearic acid；The emulsifying agent is fatty alcohol copolyether.
The preparation method of above-mentioned epoxy resin toughened mold materials, comprises the following steps：
Step 1, by E44 epoxy resin, makrolon, low molecular polyamides, graphite, short glass fiber, polymethyl
Sour methyl esters mixing, ball milling, obtains mixture one；
Step 2, mixture one is added in the mixed liquor of toluene and n-butanol, high-speed stirred, adds polysulfide rubber, thermoplastic poly
Urethane elastomer, curing agent, plasticizer, stabilizer, lubricant and emulsifying agent, ultrasonic disperse, obtain mixture two；
Step 3, mixture is solidified, solidification temperature is 64-72 DEG C, you can.
The impact strength of gained epoxy resin mold material is 50.9kJ/m2, compressive strength 318.7MPa, hardening time
For 257min.
Embodiment 4
A kind of epoxy resin toughened mold materials, raw material include in parts by weight：100 parts of E44 epoxy resin, polysulfide rubber 23
Part, 6 parts of TPUE, 4 parts of makrolon, 3 parts of low molecular polyamides, 30 parts of graphite, short glass fiber 5
Part, 7 parts of toluene, 8 parts of n-butanol, 5 parts of polymethyl methacrylate, 12 parts of curing agent, 6 parts of plasticizer, 3 parts of stabilizer, lubrication
3 parts of agent, 1.5 parts of emulsifying agent.
Wherein, the plasticizer is dioctyl phthalate；The stabilizer is organic tin stabilizer；The lubrication
Agent is paraffin or stearic acid；The emulsifying agent is fatty alcohol copolyether.
The preparation method of above-mentioned epoxy resin toughened mold materials, comprises the following steps：
Step 1, by E44 epoxy resin, makrolon, low molecular polyamides, graphite, short glass fiber, polymethyl
Sour methyl esters mixing, ball milling, obtains mixture one；
Step 2, mixture one is added in the mixed liquor of toluene and n-butanol, high-speed stirred, adds polysulfide rubber, thermoplastic poly
Urethane elastomer, curing agent, plasticizer, stabilizer, lubricant and emulsifying agent, ultrasonic disperse, obtain mixture two；
Step 3, mixture is solidified, solidification temperature is 64-72 DEG C, you can.
The impact strength of gained epoxy resin mold material is 49.5kJ/m2, compressive strength 334.6MPa, hardening time
For 265min.
Claims (7)
- A kind of 1. epoxy resin toughened mold materials, it is characterised in that：Raw material includes in parts by weight：E44 epoxy resin 100 Part, polysulfide rubber 15-23 parts, TPUE 3-6 parts, makrolon 2-4 parts, low molecular polyamides 1-3 parts, Graphite 20-30 parts, short glass fiber 3-5 parts, toluene 4-7 parts, n-butanol 3-8 parts, polymethyl methacrylate 2-5 parts, Gu Agent 8-12 parts, plasticizer 2-6 parts, stabilizer 1-3 parts, lubricant 1-3 parts, emulsifying agent 0.8-1.5 parts.
- 2. epoxy resin toughened mold materials according to claim 1, it is characterised in that：The plasticizer is O-phthalic Dioctyl phthalate.
- 3. epoxy resin toughened mold materials according to claim 1, it is characterised in that：The stabilizer is organic tin Stabilizer.
- 4. epoxy resin toughened mold materials according to claim 1, it is characterised in that：The lubricant is paraffin or hard Resin acid.
- 5. epoxy resin toughened mold materials according to claim 1, it is characterised in that：The emulsifying agent is total to for fatty alcohol Polyethers.
- 6. the preparation method of the epoxy resin toughened mold materials described in claim 1, it is characterised in that：Comprise the following steps：Step 1, by E44 epoxy resin, makrolon, low molecular polyamides, graphite, short glass fiber, polymethyl Sour methyl esters mixing, ball milling, obtains mixture one；Step 2, mixture one is added in the mixed liquor of toluene and n-butanol, high-speed stirred, adds polysulfide rubber, thermoplastic poly Urethane elastomer, curing agent, plasticizer, stabilizer, lubricant and emulsifying agent, ultrasonic disperse, obtain mixture two；Step 3, mixture is solidified, you can.
- 7. the preparation method of epoxy resin toughened mold materials according to claim 6, it is characterised in that：It is solid in step 3 It is 64-72 DEG C to change temperature.
Priority Applications (1)
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| CN201710799338.1A CN107383790A (en) | 2017-09-07 | 2017-09-07 | A kind of epoxy resin toughened mold materials and preparation method thereof |
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| CN201710799338.1A CN107383790A (en) | 2017-09-07 | 2017-09-07 | A kind of epoxy resin toughened mold materials and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107880491A (en) * | 2017-12-21 | 2018-04-06 | 河南省科学院化学研究所有限公司 | A kind of epoxy foams material |
| CN108003541A (en) * | 2017-12-21 | 2018-05-08 | 河南省科学院化学研究所有限公司 | A kind of self toughening epoxy foams material |
| CN108129605A (en) * | 2017-12-21 | 2018-06-08 | 河南省科学院化学研究所有限公司 | A kind of impact resistance epoxide resin microballoon material |
| CN109575556A (en) * | 2018-11-14 | 2019-04-05 | 芜湖市元奎新材料科技有限公司 | A kind of preparation process of flame-resistant resin material |
| CN109929202A (en) * | 2019-01-24 | 2019-06-25 | 范亚强 | A kind of polymeric mold carft of construction |
| CN111234505A (en) * | 2020-03-16 | 2020-06-05 | 谢强 | Environment-friendly damping rubber plate and preparation method thereof |
| CN114561179A (en) * | 2022-03-09 | 2022-05-31 | 上海回天新材料有限公司 | High-temperature-resistant heat-conducting oil epoxy resin sealant and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107880491A (en) * | 2017-12-21 | 2018-04-06 | 河南省科学院化学研究所有限公司 | A kind of epoxy foams material |
| CN108003541A (en) * | 2017-12-21 | 2018-05-08 | 河南省科学院化学研究所有限公司 | A kind of self toughening epoxy foams material |
| CN108129605A (en) * | 2017-12-21 | 2018-06-08 | 河南省科学院化学研究所有限公司 | A kind of impact resistance epoxide resin microballoon material |
| CN109575556A (en) * | 2018-11-14 | 2019-04-05 | 芜湖市元奎新材料科技有限公司 | A kind of preparation process of flame-resistant resin material |
| CN109929202A (en) * | 2019-01-24 | 2019-06-25 | 范亚强 | A kind of polymeric mold carft of construction |
| CN111234505A (en) * | 2020-03-16 | 2020-06-05 | 谢强 | Environment-friendly damping rubber plate and preparation method thereof |
| CN114561179A (en) * | 2022-03-09 | 2022-05-31 | 上海回天新材料有限公司 | High-temperature-resistant heat-conducting oil epoxy resin sealant and preparation method thereof |
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