CN102848585A - Processing method for glass fiber composite insulation rod - Google Patents
Processing method for glass fiber composite insulation rod Download PDFInfo
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- CN102848585A CN102848585A CN 201210323754 CN201210323754A CN102848585A CN 102848585 A CN102848585 A CN 102848585A CN 201210323754 CN201210323754 CN 201210323754 CN 201210323754 A CN201210323754 A CN 201210323754A CN 102848585 A CN102848585 A CN 102848585A
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Abstract
The present invention discloses a processing method for a glass fiber composite insulation rod. In a glue dipping process, pressure in a high pressure glue dipping tank is maintained to 1-20 MPa, such that complete glue dipping of glass fibers is easily achieved, and product quality is improved.
Description
Technical field
The present invention relates to a kind of processing method of glass fibre compound inslation rod.
Background technology
At present, glass fibre behind the impregnation, is heating and curing through mould in the steeping vat of normal pressure, is squeezing continuously the formation production glass fibre compound inslation rod of leaving behind.Because glass fibre is through steeping vat the time, it is impregnation under atmospheric pressure state, easily occur glass fiber dipped not thoroughly and carry bubble secretly, the insulating bar that causes the producing quality that easily ruptures is unreliable, and the glue in the steeping vat is become by the many kinds of substance mixing, and production technology has ageing requirement to the glue in the steeping vat.
Summary of the invention
In the production technology that overcomes existing glass fibre compound inslation rod, glass fiber dipped deficiency of not thoroughly, carrying bubble secretly, the invention provides a kind of processing method of glass fibre compound inslation rod, the process modifications of this glass fibre compound inslation rod existing technique, can overcome well above-mentioned shortcoming.
The technical solution adopted for the present invention to solve the technical problems is: the processing method of glass fibre compound inslation rod, each raw material of glue by weight, 55% to 65% resin, 5% to 15% reinforcing agent, 5% to 15% promoter and 15% to 25% curing agent mix and form glue, glass fibre to be processed is dry, and processing method comprises the following steps:
(1), enter impregnation in the high pressure steeping vat through the glass fibre of spreader, the pressure in the high pressure steeping vat maintains 1MPa to 20MPa;
(2), the glass fibre behind the impregnation is through the preformed of pressure distribution device;
(3), the Fiber glass rod after the preformed enters in the shaper and is heating and curing; Solidify and adopt a minute three phases to be heating and curing, the phase I warm-up phase, temperature is controlled at 80 ℃ to 120 ℃; In the second stage gelling stage, temperature is controlled at 120 ℃ to 150 ℃; Phase III cure stage, temperature are controlled at 150 ℃ to 190 ℃;
(4), after the products solidifying cooling of finalizing the design, cut, become finished product.
The invention has the beneficial effects as follows, the pressure in the high pressure steeping vat maintains 1MPa to 20MPa, is conducive to the abundant impregnation of glass fibre, has improved the quality of product.
The specific embodiment
In the processing method of glass fibre compound inslation rod, each raw material of glue by weight, 60% resin, 10% reinforcing agent, 10% promoter and 20% curing agent mix and form glue, glass fibre to be processed is dry, and processing method comprises the following steps:
(1), enter impregnation in the high pressure steeping vat through the glass fibre of spreader, the pressure in the high pressure steeping vat maintains 1MPa to 20MPa;
(2), the glass fibre behind the impregnation is through the preformed of pressure distribution device;
(3), the Fiber glass rod after the preformed enters in the shaper and is heating and curing; Solidify and adopt a minute three phases to be heating and curing, the phase I warm-up phase, temperature is controlled at 80 ℃ to 120 ℃; In the second stage gelling stage, temperature is controlled at 120 ℃ to 150 ℃; Phase III cure stage, temperature are controlled at 150 ℃ to 190 ℃;
(4), after the products solidifying cooling of finalizing the design, cut, become finished product.
In the present embodiment, resin is Bisphenol F type epoxy, and curing agent is methyl tetrahydrophthalic anhydride, and promoter is adopted DMP-30 promoter.
Claims (1)
1. the processing method of a glass fibre compound inslation rod, it is characterized in that: each raw material of glue by weight, 55% to 65% resin, 5% to 15% reinforcing agent, 5% to 15% promoter and 15% to 25% curing agent mix and form glue, glass fibre to be processed is dry, and processing method comprises the following steps:
(1), enter impregnation in the high pressure steeping vat through the glass fibre of spreader, the pressure in the high pressure steeping vat maintains 1MPa to 20MPa;
(2), the glass fibre behind the impregnation is through the preformed of pressure distribution device;
(3), the Fiber glass rod after the preformed enters in the shaper and is heating and curing; Solidify and adopt a minute three phases to be heating and curing, the phase I warm-up phase, temperature is controlled at 80 ℃ to 120 ℃; In the second stage gelling stage, temperature is controlled at 120 ℃ to 150 ℃; Phase III cure stage, temperature are controlled at 150 ℃ to 190 ℃;
(4), after the products solidifying cooling of finalizing the design, cut, become finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210323754 CN102848585A (en) | 2012-07-03 | 2012-09-05 | Processing method for glass fiber composite insulation rod |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210227091.3 | 2012-07-03 | ||
| CN201210227091 | 2012-07-03 | ||
| CN 201210323754 CN102848585A (en) | 2012-07-03 | 2012-09-05 | Processing method for glass fiber composite insulation rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102848585A true CN102848585A (en) | 2013-01-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210323754 Pending CN102848585A (en) | 2012-07-03 | 2012-09-05 | Processing method for glass fiber composite insulation rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102848585A (en) |
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2012
- 2012-09-05 CN CN 201210323754 patent/CN102848585A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130102 |