CN107892794A - A kind of fiber reinforced plastic mold and preparation method thereof - Google Patents
A kind of fiber reinforced plastic mold and preparation method thereof Download PDFInfo
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- CN107892794A CN107892794A CN201711346791.3A CN201711346791A CN107892794A CN 107892794 A CN107892794 A CN 107892794A CN 201711346791 A CN201711346791 A CN 201711346791A CN 107892794 A CN107892794 A CN 107892794A
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- reinforced plastic
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- plastic mold
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
Abstract
The invention discloses a kind of fiber reinforced plastic mold, is related to casting mould technical field.Include the raw material of following parts by weight：80 100 parts of glass fibre, 40 65 parts of epoxy resin, 20 30 parts of phenolic resin, 0.5 1.2 parts of catalyst, 0.1 0.3 parts of polymerization inhibitor, 10 14 parts of curing agent, 46 parts of bonding agent, 15 28 parts of metaphenylene unsaturated polyester resin.The invention also discloses a kind of preparation method of fiber reinforced plastic mold, manufacturing process is simple, and the fiber reinforced plastic mold of preparation has that light weight, intensity be high, the premium properties such as corrosion-resistant, while hot property is good.
Description
Technical field
The present invention relates to casting mould technical field, more particularly to a kind of fiber reinforced plastic mold and preparation method thereof.
Background technology
Mould, in industrial production being molded, being blow molded, extruding, die casting or obtain the methods of forging forming, smelting, punching press
The various moulds and instrument of required product.In brief, mould is the instrument for being manufactured article, and this instrument is by various
Part is formed, and different moulds is made up of different parts, and it is mainly realized by the change of institute's moulding material physical state
The processing of article profile.It is known as the title of " mother of industry ".
Existing mould is mostly metal, plastics or ceramic material, and metals mold manufacturing will typically pass through forging, cutting
The multiple working procedures such as processing, heat treatment, manufacturing process is complicated, and cost is high, and plastic mould shaping is relatively simple, and cost is low, still
Heat resistance and formed precision are poor, and service life is shorter, and ceramic die has the performance such as high temperature resistant, corrosion-resistant, but easily
Damage cracking.
The content of the invention
The technical problems to be solved by the invention are the shortcomings that overcoming prior art, there is provided a kind of fiber reinforced plastic mold and its
Preparation method, manufacturing process is simple, has that light weight, intensity is high, the premium properties such as corrosion-resistant, while hot property is good.
In order to solve the above technical problems, technical scheme is as follows：
A kind of fiber reinforced plastic mold, include the raw material of following parts by weight：Glass fibre 80-100 parts, epoxy resin 40-65 parts, phenolic aldehyde
Resin 20-30 parts, catalyst 0.5-1.2 parts, polymerization inhibitor 0.1-0.3 parts, curing agent 10-14 parts, bonding agent 4-6 parts, metaphenylene
Unsaturated polyester resin 15-28 parts.
Further, the raw material of following parts by weight is included：90 parts of glass fibre, 50 parts of epoxy resin, 25 parts of phenolic resin,
0.8 part of catalyst, 0.2 part of polymerization inhibitor, 12 parts of curing agent, 5 parts of bonding agent, 22 parts of metaphenylene unsaturated polyester resin.
A kind of preceding described fiber reinforced plastic mold, catalyst be benzyl dimethylamine, one kind in benzyltrimethylammonium chloride or
Two kinds.
A kind of preceding described fiber reinforced plastic mold, polymerization inhibitor are hydroquinones, methyl hydroquinone, 2,5- di-t-butyls to benzene
One or more in diphenol.
A kind of preceding described fiber reinforced plastic mold, curing agent are one or both of aromatic polyamine, phenolsulfonic acid.
A kind of preceding described fiber reinforced plastic mold, bonding agent is cyanoacrylate.
Present invention also offers a kind of preparation method of fiber reinforced plastic mold, comprise the following steps：
S1：Master mold is prepared by computer technology；
S2：Appropriate releasing agent is wrapped with 3-4 layer gauzes, master tool surface is uniformly coated in using convolution method, stands 3-5 minutes, will
Master tool surface is cleaned, until mirror effect, places 2-3 hours, then repeatedly aforesaid operations 4-5 times；
S3：Glass fibre, epoxy resin, phenolic resin and metaphenylene unsaturated polyester resin are weighed by shown parts by weight, is added
Into reactor, the temperature of reactor is adjusted to 80-95 DEG C, stirs 3-5 minutes, then adds catalyst and polymerization inhibitor, will be anti-
Answer the temperature of kettle to be adjusted to 120-125 DEG C, be stirred for 5-8 minutes；
S4：The coating materials being stirred in reactor is injected in spray gun, is then equably sprayed on the surface of master mold, forms fiberglass
Shell；
S5：After the solidification of fiberglass shell, it is stripped, polishes, polishing, obtains fiber reinforced plastic mold finished product.
A kind of preparation method of preceding described fiber reinforced plastic mold, first one tunic of laterally homogeneous spraying when coating materials sprays in S4
Material, then longitudinal tunic material of even application one, each direction spray three times.
A kind of preparation method of preceding described fiber reinforced plastic mold, the thickness per tunic material is 0.15-0.17mm.
A kind of preparation method of preceding described fiber reinforced plastic mold, each tunic material spraying are completed solidify afterwards and sprayed again for 90 minutes
Next tunic material.
The beneficial effects of the invention are as follows：
(1) not only manufacturing process is simple for fiber reinforced plastic mold of the invention, needs not move through the multiple working procedures such as machining, heat treatment,
And fiberglass is used as primary raw material, have that light weight, intensity is high, the premium properties such as corrosion-resistant, while hot property is good, it is full
Sufficient mold use requirement, service life length, in addition, the manufacturing cost of fiberglass is cheap, cost performance is very superior；
(2) in the present invention, main base is used as using epoxy resin, phenolic resin, makes manufactured glass-reinforced plastic material light and hard,
It is non-conductive, stable performance, high mechanical strength；Matrix resin of the metaphenylene unsaturated polyester resin as gel coat is added again, makes mould
Tool is with high temperature resistant, corrosion-resistant and resistance to oxidation performance, so as to effectively extend the service life of fiber reinforced plastic mold；
(3) in the present invention, catalyst being added in the feed, makes various resin crosslinks, molecular change is big, it is more quickly had one
Fixed space structure and mechanical property, so as to accelerate the speed of hardening of resin shaping, improve processing efficiency；Inhibition is added again
Agent, induction period can be produced in the course of the polymerization process, so as to prevent the progress of polymerization, the stabilization of fiberglass has been effectively ensured
Property；
(4) present invention in, using spray gun on master mold even application mould gel coat material, formed gel coating resin, reduce mould
Defect rate and rate of returning something for repairs, the laterally longitudinally spaced spraying in spraying, and each direction sprays three layers, and it is more to avoid gel coating resin appearance
Phenomena such as hole, sagging, color separation, the quality of product is improved, extends service life.
Embodiment
To make present disclosure be easier to be clearly understood, below according to embodiment, the present invention is made
Further details of explanation.
Embodiment 1
A kind of fiber reinforced plastic mold that the present embodiment provides, include the raw material of following parts by weight：80 parts of glass fibre, epoxy resin 40
Part, 20 parts of phenolic resin, 0.5 part of catalyst, 0.1 part of polymerization inhibitor, 10 parts of curing agent, 4 parts of bonding agent, metaphenylene unsaturated polyester (UP)
15 parts of resin.
A kind of preparation method for fiber reinforced plastic mold that the present embodiment provides, comprises the following steps：
S1：Master mold is prepared by computer technology；
S2：Appropriate releasing agent is wrapped with 3-4 layer gauzes, master tool surface is uniformly coated in using convolution method, 3 minutes are stood, by mother
Mould surface is cleaned, until mirror effect, is placed 2 hours, then repeatedly aforesaid operations 4 times；
S3：Glass fibre, epoxy resin, phenolic resin and metaphenylene unsaturated polyester resin are weighed by shown parts by weight, is added
Into reactor, the temperature of reactor is adjusted to 80 DEG C, stirs 3 minutes, catalyst and polymerization inhibitor is then added, by reactor
Temperature is adjusted to 120 DEG C, is stirred for 5 minutes；
S4：The coating materials being stirred in reactor is injected in spray gun, the surface of master mold is then equably sprayed on, when coating materials sprays
First laterally homogeneous to spray a tunic material, then longitudinal tunic material of even application one, each direction spray three times, and per tunic material
Thickness is controlled in 0.15mm, and each tunic material spraying completes solidify afterwards and sprays within 90 minutes next tunic material again, forms fiberglass
Shell；S5：After the solidification of fiberglass shell, it is stripped, polishes, polishing, obtains fiber reinforced plastic mold finished product.
Embodiment 2
A kind of fiber reinforced plastic mold that the present embodiment provides, include the raw material of following parts by weight：100 parts of glass fibre, epoxy resin
65 parts, 30 parts of phenolic resin, 1.2 parts of catalyst, 0.3 part of polymerization inhibitor, 14 parts of curing agent, 6 parts of bonding agent, metaphenylene is unsaturated to be gathered
28 parts of ester resin.
A kind of preparation method for fiber reinforced plastic mold that the present embodiment provides, comprises the following steps：
S1：Master mold is prepared by computer technology；
S2：Appropriate releasing agent is wrapped with 4 layers of gauze, master tool surface is uniformly coated in using convolution method, 5 minutes are stood, by master mold
Surface is cleaned, until mirror effect, is placed 3 hours, then repeatedly aforesaid operations 5 times；
S3：Glass fibre, epoxy resin, phenolic resin and metaphenylene unsaturated polyester resin are weighed by shown parts by weight, is added
Into reactor, the temperature of reactor is adjusted to 95 DEG C, stirs 5 minutes, catalyst and polymerization inhibitor is then added, by reactor
Temperature is adjusted to 125 DEG C, is stirred for 8 minutes；
S4：The coating materials being stirred in reactor is injected in spray gun, the surface of master mold is then equably sprayed on, when coating materials sprays
First laterally homogeneous to spray a tunic material, then longitudinal tunic material of even application one, each direction spray three times, and per tunic material
Thickness is controlled in 0.17mm, and each tunic material spraying completes solidify afterwards and sprays within 90 minutes next tunic material again, forms fiberglass
Shell；
S5：After the solidification of fiberglass shell, it is stripped, polishes, polishing, obtains fiber reinforced plastic mold finished product.
Embodiment 3
A kind of fiber reinforced plastic mold that the present embodiment provides, include the raw material of following parts by weight：90 parts of glass fibre, epoxy resin 50
Part, 25 parts of phenolic resin, 0.8 part of catalyst, 0.2 part of polymerization inhibitor, 12 parts of curing agent, 5 parts of bonding agent, metaphenylene unsaturated polyester (UP)
22 parts of resin.
A kind of preparation method for fiber reinforced plastic mold that the present embodiment provides, comprises the following steps：
S1：Master mold is prepared by computer technology；
S2：Appropriate releasing agent is wrapped with 4 layers of gauze, master tool surface is uniformly coated in using convolution method, 4 minutes are stood, by master mold
Surface is cleaned, until mirror effect, is placed 2 hours, then repeatedly aforesaid operations 5 times；
S3：Glass fibre, epoxy resin, phenolic resin and metaphenylene unsaturated polyester resin are weighed by shown parts by weight, is added
Into reactor, the temperature of reactor is adjusted to 87 DEG C, stirs 4 minutes, catalyst and polymerization inhibitor is then added, by reactor
Temperature is adjusted to 123 DEG C, is stirred for 7 minutes；
S4：The coating materials being stirred in reactor is injected in spray gun, the surface of master mold is then equably sprayed on, when coating materials sprays
First laterally homogeneous to spray a tunic material, then longitudinal tunic material of even application one, each direction spray three times, and per tunic material
Thickness is controlled in 0.16mm, and each tunic material spraying completes solidify afterwards and sprays within 90 minutes next tunic material again, forms fiberglass
Shell；
S5：After the solidification of fiberglass shell, it is stripped, polishes, polishing, obtains fiber reinforced plastic mold finished product.
Comparative example：The metal die and plastic mould of commercially available Jinan Phaeton plastic cement Co., Ltd production.
Embodiment 1- embodiments 3 and comparative example are carried out using contrast test, properties are measured by national standard, experiment
Condition and other experiment material all sames, test result are as shown in table 1：
Table 1
As can be seen from Table 1, the fiber reinforced plastic mold that prepared by the present invention, hardness approach with metal die, even more high, and quality phase
Smaller than in metal die, close and plastic mould, decay resistance are also superior to metal die and the modern designs of plastics in comparative example
Tool, it can be seen that, the fiber reinforced plastic mold for preparing of the present invention has that light weight, intensity be high, the premium properties such as corrosion-resistant.
In addition to the implementation, the present invention can also have other embodiment.It is all to use equivalent substitution or equivalent transformation shape
Into technical scheme, all fall within the protection domains of application claims.
Claims (10)
- A kind of 1. fiber reinforced plastic mold, it is characterised in that：Include the raw material of following parts by weight：Glass fibre 80-100 parts, asphalt mixtures modified by epoxy resin Fat 40-65 parts, phenolic resin 20-30 parts, catalyst 0.5-1.2 parts, polymerization inhibitor 0.1-0.3 parts, curing agent 10-14 parts, bonding Agent 4-6 parts, metaphenylene unsaturated polyester resin 15-28 parts, releasing agent 5-8 parts.
- A kind of 2. fiber reinforced plastic mold according to claim 1, it is characterised in that：Include the raw material of following parts by weight：Glass 90 parts of fiber, 50 parts of epoxy resin, 25 parts of phenolic resin, 0.8 part of catalyst, 0.2 part of polymerization inhibitor, 12 parts of curing agent, bonding agent 5 Part, 22 parts of metaphenylene unsaturated polyester resin, 7 parts of releasing agent.
- A kind of 3. fiber reinforced plastic mold according to claim 1 or 2, it is characterised in that：The catalyst be benzyl dimethylamine, One or both of benzyltrimethylammonium chloride.
- A kind of 4. fiber reinforced plastic mold according to claim 1 or 2, it is characterised in that：The polymerization inhibitor is hydroquinones, first One or more in base hydroquinones, 2,5 di tert butyl hydroquinone.
- A kind of 5. fiber reinforced plastic mold according to claim 1 or 2, it is characterised in that：The curing agent be aromatic polyamine, One or both of phenolsulfonic acid.
- A kind of 6. fiber reinforced plastic mold according to claim 1 or 2, it is characterised in that：The bonding agent is alpha-cyanoacrylate Ester.
- A kind of 7. preparation method of fiber reinforced plastic mold as claimed in claim 1, it is characterised in that：Comprise the following steps：S1：Master mold is prepared by computer technology；S2：Appropriate releasing agent is wrapped with 3-4 layer gauzes, master tool surface is uniformly coated in using convolution method, stands 3-5 minutes, will Master tool surface is cleaned, until mirror effect, places 2-3 hours, then repeatedly aforesaid operations 4-5 times；S3：Glass fibre, epoxy resin, phenolic resin and metaphenylene unsaturated polyester resin are weighed by shown parts by weight, is added Into reactor, the temperature of reactor is adjusted to 80-95 DEG C, stirs 3-5 minutes, then adds catalyst and polymerization inhibitor, will be anti- Answer the temperature of kettle to be adjusted to 120-125 DEG C, be stirred for 5-8 minutes；S4：The coating materials being stirred in reactor is injected in spray gun, is then equably sprayed on the surface of master mold, forms fiberglass Shell；S5：After the solidification of fiberglass shell, it is stripped, polishes, polishing, obtains fiber reinforced plastic mold finished product.
- A kind of 8. preparation method of fiber reinforced plastic mold according to claim 7, it is characterised in that：Coating materials sprays in the S4 When first one tunic material of laterally homogeneous spraying, then longitudinal tunic material of even application one, each direction spray three times.
- A kind of 9. preparation method of fiber reinforced plastic mold according to claim 8, it is characterised in that：The thickness per tunic material Degree is 0.15-0.17mm.
- A kind of 10. preparation method of fiber reinforced plastic mold according to claim 8, it is characterised in that：Each tunic material Spraying completes solidify afterwards and sprays within 90 minutes next tunic material again.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711346791.3A CN107892794A (en) | 2017-12-15 | 2017-12-15 | A kind of fiber reinforced plastic mold and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711346791.3A CN107892794A (en) | 2017-12-15 | 2017-12-15 | A kind of fiber reinforced plastic mold and preparation method thereof |
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| CN107892794A true CN107892794A (en) | 2018-04-10 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110394998A (en) * | 2019-08-14 | 2019-11-01 | 张静 | One kind is for epoxy heating fiber reinforced plastic mold and preparation method thereof |
| CN111825949A (en) * | 2020-07-20 | 2020-10-27 | 江苏飞博尔新材料科技有限公司 | High-performance FRP container floor and manufacturing method thereof |
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| CN102431104A (en) * | 2011-09-21 | 2012-05-02 | 贵阳华云汽车饰件有限公司 | Manufacturing method for glass fiber reinforced plastic pressing mould |
| CN106117976A (en) * | 2016-07-01 | 2016-11-16 | 宜兴市凯诚模具有限公司 | A kind of fiber reinforced plastic mold and preparation method thereof |
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2017
- 2017-12-15 CN CN201711346791.3A patent/CN107892794A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102069537A (en) * | 2010-12-03 | 2011-05-25 | 奉玉贞 | Glass reinforced plastic movable socket hoop die and manufacturing method thereof |
| CN102431104A (en) * | 2011-09-21 | 2012-05-02 | 贵阳华云汽车饰件有限公司 | Manufacturing method for glass fiber reinforced plastic pressing mould |
| CN106117976A (en) * | 2016-07-01 | 2016-11-16 | 宜兴市凯诚模具有限公司 | A kind of fiber reinforced plastic mold and preparation method thereof |
Non-Patent Citations (1)
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110394998A (en) * | 2019-08-14 | 2019-11-01 | 张静 | One kind is for epoxy heating fiber reinforced plastic mold and preparation method thereof |
| CN111825949A (en) * | 2020-07-20 | 2020-10-27 | 江苏飞博尔新材料科技有限公司 | High-performance FRP container floor and manufacturing method thereof |
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Application publication date: 20180410 |