CN1286161A - Quickly shaping technology for glass fibre reinforced plastics products - Google Patents
Quickly shaping technology for glass fibre reinforced plastics products Download PDFInfo
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- CN1286161A CN1286161A CN 99117576 CN99117576A CN1286161A CN 1286161 A CN1286161 A CN 1286161A CN 99117576 CN99117576 CN 99117576 CN 99117576 A CN99117576 A CN 99117576A CN 1286161 A CN1286161 A CN 1286161A
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- reinforced plastics
- fiber reinforced
- glass fiber
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Abstract
A quick forming technology for glass fibre reinforced plastics products features that microwave is used to pre-heat resin and its mixture for reducing viscosity, far in frared radiation is used to speed up solidification of resin matrix, and whole mould is immersed in cold water for quick cooling. Its advantages are convenient operation, high productivity and low cost.
Description
The present invention relates to the production technology of glass fiber reinforced plastics product.
The hand pasting forming of glass fiber reinforced plastics product, be the thermosetting resin of ambient temperature curables such as unsaturated polyester resin or epoxy resin, a kind of forming method that does not have pressure or low-pressure that in mould, bonds together with reinforcing materials such as glass fibre or glass fabrics, its advantage is that method of operating and equipment are simple, small investment, be not subjected to the restriction of product size and shape, the product designability is good, but its production efficiency is low, unstable product quality is produced and is subject to weather effect, particularly cold weather or high humidity, or added reinforcing material natural minerals short fiber in the thermosetting resin and viscosity when becoming big, the shortcoming of traditional manual pasting forming process is just more outstanding.
The objective of the invention is to overcome the shortcoming of above-mentioned glass fiber reinforced plastics product moulding process, a kind of weather effect that is not subjected to is provided, easy to operate, production efficiency height, the quick shaping process of stay-in-grade glass fiber reinforced plastics product.
The objective of the invention is to take following measure to realize.The quick shaping process of glass fiber reinforced plastics product of the present invention is:
1, mould is coated demoulding wax in die cavity after clearing up, and then coats gel coating resin, is 5～25 microns far infrared irradiation then with wavelength, and gel coat is solidified;
2, be thermosetting resin or its mixture preheating of the microwave of 2450 ± 30MHz with solidification temperature≤80 ℃ with frequency, making its viscosity is 50～130 seconds (being coated with-4 glasss);
3, in aforementioned hot thermosetting resin or its mixture, add promoter and curing agent, be used for mould hand that step 1 gel coating resin solidified after mixing and stick with paste glass fibre or its goods layer to desired thickness;
4, then be 5～25 microns far infrared irradiation, glass fibre or its goods layer are solidified with wavelength;
5, the cooling back demoulding.When making monochromatic light surface glass steel part, mould demoulding after the room temperature cooling; When making two light surface glass steel part, hand is stuck with paste the matched moulds frp layer in through the upper die and lower die after aforementioned 1～4 step, matched moulds then, and locked mode is placed to the matched moulds frp layer and solidifies, and entire die is soaked in the water again, and the demoulding is taken out in the cooling back.
The described mixture of step 2 can be the thermosetting resin of solidification temperature≤80 ℃ and the mixture of 325～1250 order natural minerals short fibers, and mixed proportion is 100 parts of (weight) resins: 70～100 parts of (weight) natural minerals short fibers.
Aforementioned fiberglass products is meant glass cord, glass fabric, glass mat or the like.Obviously also can use other fibre reinforced materials.
Compared with the prior art, advantage of the present invention is:
1, adopt microwave that resin or its mixture are made The pre-heat treatment, reach the purpose that reduces resin viscosity, offset owing to having added the side effect that the natural minerals short fiber causes resin viscosity to increase, and can be not low because of weather temperature, high humidity influences production, in production practices, micro-wave oven adds the general electrothermal tube heating of ratio of specific heat power saving, energy-conservation;
2, use far infrared irradiation and promoted the curing of resin matrix, thereby make glass fiber reinforced plastics product fast curing-formed, improved production efficiency, and be improved through the quality of the glass fiber reinforced plastics product of far infrared hardening with radiation; The mechanical property of the unsaturated polyester resin fiberglass flat board of different conditions of cure compares:
3, for two light surface glass steel part, matched moulds is taked the mold integral water cooling, the purpose of reach quick cooling, enhancing productivity after solidifying;
4, production efficiency of the present invention can improve 1～2 times than existing manual pasting forming process.
Embodiment:
Goods are fiberglass chair seat support (connecting backrest);
Coat demoulding wax behind cleaning mold and the bed die in die cavity, go up the unsaturated polyester (UP) gel coating resin with the spray gun spraying then, it is 15 microns far infrared irradiation 3 minutes that mould is sent in the far infrared line oven with wavelength, and gel coat is solidified fast;
Mix with 325 purpose natural minerals short fibers 100 parts of (weight) and 191 type unsaturated polyester resins 100 parts (weight), stir, put into micro-wave oven and be the heating using microwave to 50 ℃ of 2450MHz with the frequency, viscosity is 81 seconds (being coated with-4 glasss), add 1% (weight) promoter (concentration is metallic cobalt/styrene solution of 0.8%) and 2% (weight) curing agent (methyl ethyl ketone peroxide) again, stir;
Hand is stuck with paste 2 layers of glass fabric respectively on the gel coating resin that mold and bed die have solidified, and then mould being put into the far infrared line oven is 15 microns far infrared irradiation 4 minutes with wavelength, and the glass fibre layer of cloth is solidified fast;
After coming out of the stove, mould is coated with one deck resin in last molded article surface immediately, stick with paste layer of glass cloth at counterdie product surface hand, matched moulds then, the locking mould, place treated that the matched moulds frp layer solidified in 8 minutes after, entire die is soaked in the normal-temperature water cools off, take out mould after 5 minutes from water, deburring promptly obtains two light surface glass steel chair seat supports after the demoulding.
Claims (4)
1, a kind of quick shaping process of glass fiber reinforced plastics product is characterized in that:
1) mould is coated demoulding wax in die cavity after clearing up, and then coats gel coating resin, is 5～25 microns far infrared irradiation then with wavelength, and gel coat is solidified;
2) be thermosetting resin or its mixture preheating of the microwave of 2450 ± 30MHz with solidification temperature≤80 ℃ with frequency, making its viscosity is 50～130 seconds (being coated with-4 glasss);
3) in aforementioned hot thermosetting resin or its mixture, add promoter and curing agent, be used for mould hand that step 1 gel coating resin solidified after mixing and stick with paste glass fibre or its goods layer to desired thickness;
4) then be 5～25 microns far infrared irradiation, glass fibre or its goods layer are solidified with wavelength;
5) the cooling back demoulding.
2. the quick shaping process of glass fiber reinforced plastics product according to claim 1, it is characterized in that through aforementioned 1)～4) hand is stuck with paste the matched moulds frp layer in the upper die and lower die after the step, matched moulds then, locked mode, being placed to the matched moulds frp layer solidifies, entire die is soaked in the water, the demoulding is taken out in the cooling back again.
3. the quick shaping process of glass fiber reinforced plastics product according to claim 1 and 2, it is characterized in that described mixture is the thermosetting resin of solidification temperature≤80 ℃ and the mixture of 325～1250 purpose natural minerals short fibers, the mixed weight ratio is 100 parts of resins: 70～100 parts of natural minerals short fibers.
4. the quick shaping process of glass fiber reinforced plastics product according to claim 1 and 2 is characterized in that the far infrared wavelength is 15 microns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99117576 CN1286161A (en) | 1999-08-26 | 1999-08-26 | Quickly shaping technology for glass fibre reinforced plastics products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99117576 CN1286161A (en) | 1999-08-26 | 1999-08-26 | Quickly shaping technology for glass fibre reinforced plastics products |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1286161A true CN1286161A (en) | 2001-03-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99117576 Pending CN1286161A (en) | 1999-08-26 | 1999-08-26 | Quickly shaping technology for glass fibre reinforced plastics products |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1286161A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101961901A (en) * | 2010-10-19 | 2011-02-02 | 安徽金诚汽车科技有限公司 | Car roof moulding technology of large passenger car |
| CN102837346A (en) * | 2012-08-31 | 2012-12-26 | 滁州市永通交通设备有限公司 | Production technology for glass reinforced plastic hand washer and face washing cabinet |
| CN106367316A (en) * | 2016-08-30 | 2017-02-01 | 北海运龙环保材料有限责任公司 | Preparation process of glass fiber reinforced plastic for biogas digester |
| CN106399063A (en) * | 2016-08-30 | 2017-02-15 | 北海运龙环保材料有限责任公司 | Preparation method of glass reinforced plastic for methane tank |
| CN106832370A (en) * | 2016-12-28 | 2017-06-13 | 广东延春高新材料科技股份有限公司 | A kind of preparation method of hand pasting forming glass fiber reinforced plastics product |
| CN106938513A (en) * | 2017-04-01 | 2017-07-11 | 尹美周 | A kind of stereo toy quick shaping process |
| CN109336419A (en) * | 2018-08-31 | 2019-02-15 | 嘉善银升玻璃有限公司 | A kind of processing technology of high strength glass |
| CN110722720A (en) * | 2019-09-27 | 2020-01-24 | 任海明 | Manufacturing process for manufacturing mold demolding diaphragm lining layer of glass fiber reinforced plastic |
| CN110738912A (en) * | 2019-10-25 | 2020-01-31 | 福建恒达教育装备工程有限公司 | teaching model making method |
| CN111958777A (en) * | 2020-08-13 | 2020-11-20 | 敬维亮 | FRP laminated formwork and manufacturing method thereof |
| CN113427789A (en) * | 2021-06-24 | 2021-09-24 | 贵州创普环保科技有限公司 | Time-saving and efficient hand-pasted glass fiber reinforced plastic production method |
-
1999
- 1999-08-26 CN CN 99117576 patent/CN1286161A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101961901A (en) * | 2010-10-19 | 2011-02-02 | 安徽金诚汽车科技有限公司 | Car roof moulding technology of large passenger car |
| CN101961901B (en) * | 2010-10-19 | 2013-11-06 | 安徽金诚汽车科技有限公司 | Car roof moulding technology of large passenger car |
| CN102837346A (en) * | 2012-08-31 | 2012-12-26 | 滁州市永通交通设备有限公司 | Production technology for glass reinforced plastic hand washer and face washing cabinet |
| CN106367316A (en) * | 2016-08-30 | 2017-02-01 | 北海运龙环保材料有限责任公司 | Preparation process of glass fiber reinforced plastic for biogas digester |
| CN106399063A (en) * | 2016-08-30 | 2017-02-15 | 北海运龙环保材料有限责任公司 | Preparation method of glass reinforced plastic for methane tank |
| CN106832370A (en) * | 2016-12-28 | 2017-06-13 | 广东延春高新材料科技股份有限公司 | A kind of preparation method of hand pasting forming glass fiber reinforced plastics product |
| CN106938513A (en) * | 2017-04-01 | 2017-07-11 | 尹美周 | A kind of stereo toy quick shaping process |
| CN109336419A (en) * | 2018-08-31 | 2019-02-15 | 嘉善银升玻璃有限公司 | A kind of processing technology of high strength glass |
| CN110722720A (en) * | 2019-09-27 | 2020-01-24 | 任海明 | Manufacturing process for manufacturing mold demolding diaphragm lining layer of glass fiber reinforced plastic |
| CN110738912A (en) * | 2019-10-25 | 2020-01-31 | 福建恒达教育装备工程有限公司 | teaching model making method |
| CN110738912B (en) * | 2019-10-25 | 2022-03-15 | 福建恒达教育装备工程有限公司 | Method for making teaching model |
| CN111958777A (en) * | 2020-08-13 | 2020-11-20 | 敬维亮 | FRP laminated formwork and manufacturing method thereof |
| CN113427789A (en) * | 2021-06-24 | 2021-09-24 | 贵州创普环保科技有限公司 | Time-saving and efficient hand-pasted glass fiber reinforced plastic production method |
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