CN104559816A - Splicing method of glass felts - Google Patents
Splicing method of glass felts Download PDFInfo
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- CN104559816A CN104559816A CN201510059839.7A CN201510059839A CN104559816A CN 104559816 A CN104559816 A CN 104559816A CN 201510059839 A CN201510059839 A CN 201510059839A CN 104559816 A CN104559816 A CN 104559816A
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- glassmat
- glass
- hot
- tailing
- pressing platform
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Abstract
The invention discloses a splicing method of glass felts. The splicing method comprises the following steps: crushing epoxy resin adhesive solution semi-solidified products into powder, or collecting powdery wastes generated by edge cutting in manufacturing epoxy resin glass cloth semi-solidified preimpregnated sheets, screening for removing large particles and foreign matters; setting the temperature of a hot-pressing platform for splicing; flatly laying tailing of the former roll of glass felt on a lower hot plate of the hot-pressing platform, then uniformly spreading extracted powder on the tailing of the glass felt; and covering the end head of the glass felt to be spliced at the tailing of the former roll of glass felt, starting the hot-pressing platform and starting lamination for an upper hot plate and the lower plate; and then starting the hot-pressing platform. The splicing method disclosed by the invention has the advantages that different epoxy-resin adhesive substances are adopted, so that the adhesive substances can permeate onto all glass fibers in the thickness direction of the glass felts; after hot-melting bonding and solidification, the splicing strength and the tearing resistance between the glass felts is greatly improved, and simultaneously the powdery wastes generated by edge cutting in manufacturing the epoxy resin glass cloth semi-solidified preimpregnated sheets can be recycled.
Description
Technical field
The present invention relates to a kind of glassmat joining method.
Background technology
Traditional glassmat splicing is spliced with hot melt splicing adhesive tape, hot melt splicing adhesive tape at high temperature fusion bonding to the Surfaces Fiberglass only having glassmat, and the actual (real) thickness of glassmat is generally between 0.3mm is to several millimeters, the effect of thickness direction entirety or major part bonding cannot be obtained, glassmat adopts the manufacture of nonwoven accumulation technology to produce simultaneously, resin-bonded by a small amount of (10-15%) between short glass fiber, this cohesive strength is often not enough to the tensile strength resisting the follow-up use of glassmat, so the stitching portion of two sections of glassmats is extremely easily torn, glassmat is caused to be difficult to continuous use.
Summary of the invention
Object of the present invention is just to provide a kind of glassmat joining method, and this joining method makes gluing thing used penetrate on each glass fibre of glassmat thickness direction, can increase substantially glassmat cohesive strength and lear energy.
Glassmat joining method of the present invention, comprises the following steps:
1, with epoxy resin adhesive liquid semicure goods, be broken into powder, or collect the powder scrap of the cutting edge generation in the making of glass fabric of epoxy resin semicure preliminary-dip piece, cross 100 mesh sieves and remove macrobead and foreign material;
The temperature range of curing reaction also can be there is in the temperature 2, setting splicing hot pressing platform to above-mentioned epoxy powder fusing;
3, be laid in by the tailing of last volume glassmat under hot pressing platform on hot plate, be lined with release film between glassmat and hot pressing table top, the powder that then will extract in step 1, presses 50-200g/m according to glassmat thickness
2amount be sprinkling upon apart from the glassmat tailing of port 4-6cm uniformly;
4, the termination of glassmat to be spliced is covered the position of last volume glassmat tailing sprinkled with toner, after both sides align, open hot pressing platform, upper and lower hot plate starts pressing, pressing 60-120 second;
5, open hot pressing platform, remove release film.
Glassmat joining method of the present invention, adopt different epoxy resin gummous substances, make gluing thing can penetrate on each glass fibre of glassmat thickness direction, after hot melting cohesion solidification, increase substantially the splicing intensity between glassmat and lear energy, the powder scrap that the cutting edge in the making of glass fabric of epoxy resin semicure preliminary-dip piece produces can have been recycled simultaneously.
Accompanying drawing explanation
Fig. 1 is thermo-compression bonding schematic diagram of the present invention;
1, last volume glassmat tailing, 2, semicure epoxy resin powder, 3, hot plate on hot pressing platform, 4, glassmat to be spliced, 5, release film, 6, hot plate under hot pressing platform.
Embodiment
A kind of glassmat joining method, concrete steps are:
Step 1: epoxy resin adhesive liquid semicure goods are broken into powder, epoxy resin adhesive liquid main component: polyfunctional epoxy resin more than Liang Ge functional group, latent curing agent (as Dyhard RU 100), catalyzer, a small amount of inorganic fillings, or collect the powder scrap of the cutting edge generation in the making of glass fabric of epoxy resin semicure preliminary-dip piece, epoxy powder gelation time controls 20-150@second 171 DEG C, these powder cross 100 mesh sieves, remove macrobead and foreign material;
Step 2: the temperature of setting splicing hot pressing platform, to epoxy powder fusing described in step 1, the temperature range of curing reaction also can occur, and is generally 200-250 DEG C;
Step 3: the tailing of last volume glassmat to be laid under hot pressing platform on hot plate, to pad a release film between glassmat and hot pressing table top, then the powder extracted in step 1 is pressed 50-200g/m
2amount, be sprinkling upon apart from the glassmat tailing of port 4-6cm uniformly;
Step 4: the termination of glassmat to be spliced is covered the position of last volume glassmat tailing sprinkled with toner, after both sides align, open hot pressing platform, upper and lower hot plate starts pressing, pressing 60-120 second;
Step 5: open hot pressing platform, removes release film.
Claims (2)
1. a glassmat joining method, is characterized in that: comprise the following steps:
(1), with epoxy resin adhesive liquid semicure goods, be broken into powder, or collect the powder scrap of the cutting edge generation in the making of glass fabric of epoxy resin semicure preliminary-dip piece, cross 100 mesh sieves and remove macrobead and foreign material;
(2) temperature range of curing reaction can also be there is to above-mentioned epoxy powder fusing in the temperature, setting splicing hot pressing platform;
(3), by the tailing of glassmat to be spliced be laid under hot pressing platform on hot plate, be lined with release film between glassmat and hot pressing table top, the powder then will extracted in step 1, presses 50-200g/m according to glassmat thickness
2amount be sprinkling upon apart from the glassmat tailing of port 4-6cm uniformly;
(4), the termination of another volume glassmat that will splice covers the position of last volume glassmat tailing sprinkled with toner, and after both sides align, open hot pressing platform, upper and lower hot plate starts pressing, pressing 60-120 second;
(5), open hot pressing platform, remove release film.
2. glassmat joining method according to claim 1, is characterized in that: the temperature range that curing reaction also can occur in described epoxy powder fusing is 200-250 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510059839.7A CN104559816A (en) | 2015-02-05 | 2015-02-05 | Splicing method of glass felts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510059839.7A CN104559816A (en) | 2015-02-05 | 2015-02-05 | Splicing method of glass felts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104559816A true CN104559816A (en) | 2015-04-29 |
Family
ID=53076915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510059839.7A Pending CN104559816A (en) | 2015-02-05 | 2015-02-05 | Splicing method of glass felts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104559816A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5817239A (en) * | 1981-07-22 | 1983-02-01 | Nhk Spring Co Ltd | Cylinder device |
| JPS5817239B2 (en) * | 1978-12-29 | 1983-04-05 | 日東電工株式会社 | Adhesive resin molded products |
| CN1448261A (en) * | 2003-04-24 | 2003-10-15 | 上海交通大学 | Continuous rolling shaping method of low-temperature thick wall GFRP tube |
| CN202030971U (en) * | 2011-04-02 | 2011-11-09 | 建滔（连州）玻璃纤维有限公司 | Novel electronic fiber glass cloth joint splicing device |
-
2015
- 2015-02-05 CN CN201510059839.7A patent/CN104559816A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5817239B2 (en) * | 1978-12-29 | 1983-04-05 | 日東電工株式会社 | Adhesive resin molded products |
| JPS5817239A (en) * | 1981-07-22 | 1983-02-01 | Nhk Spring Co Ltd | Cylinder device |
| CN1448261A (en) * | 2003-04-24 | 2003-10-15 | 上海交通大学 | Continuous rolling shaping method of low-temperature thick wall GFRP tube |
| CN202030971U (en) * | 2011-04-02 | 2011-11-09 | 建滔（连州）玻璃纤维有限公司 | Novel electronic fiber glass cloth joint splicing device |
Non-Patent Citations (1)
| Title |
|---|
| 陈复等: "《一种新型绝缘材料-环氧玻璃毡层压制品》", 《绝缘材料》 * |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150429 |
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| WD01 | Invention patent application deemed withdrawn after publication |