CN105255110A - High-temperature-resistant and anti-ageing insulating base layer used for cables - Google Patents
High-temperature-resistant and anti-ageing insulating base layer used for cables Download PDFInfo
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- CN105255110A CN105255110A CN201510692595.6A CN201510692595A CN105255110A CN 105255110 A CN105255110 A CN 105255110A CN 201510692595 A CN201510692595 A CN 201510692595A CN 105255110 A CN105255110 A CN 105255110A
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Abstract
The invention provides a high-temperature-resistant and anti-ageing insulating base layer used for cables, and relates to the technical field of wire and cable production. The high-temperature-resistant and anti-ageing insulating base layer is prepared from, by weight, 150 parts of acetone, 15 parts of o-cresol formaldehyde epoxy resin, 8 parts of phenoxy resin, 12 parts of PVC resin, 18 parts of bisphenol A epoxy resin, 6 parts of nitrile butadiene rubber, 8 parts of oxidic polyethylene ester, 16 parts of filler, 6 parts of boric acid, 3 parts of glass fiber, 7 parts of stearic acid, 3 parts of calcium oxide, 4 parts of nano-silica, 3 parts of starch and 1.5 parts of aluminium hydroxide. The insulating base layer is wrapped by an insulating outer layer, the insulating base layer and the insulating outer layer have tight bonding performance, insulating layers of cables have high-temperature-resistant and anti-ageing performance, and therefore cables can be used in severe environments, and the service life is longer than that of traditional cables.
Description
Technical field
The present invention relates to electric wire production technical field, particularly relate to a kind of high temperature resistant, non-aging insulation basic unit for cable.
Background technology
Electric wire in order to transmit electricity (magnetic) can, information and realize electromagnetic energy conversion wire product, the electric wire of broad sense is also referred to as cable, and the cable of narrow sense refers to insulated cable, and it may be defined as: the aggregate be made up of following part; One or more insulated wire cores, and their coating layers that may have separately, total protective layer and outer jacket, cable also can have the additional conductor not having to insulate.
And for common cable, the simplest structure is the core of conductor, and be coated on the insulation layer of core surfaces.The cable of this kind of structure only has a layer insulating, and insulation layer easily occur aging, high-temperature resistant result is poor.
Summary of the invention
The object of the present invention is to provide a kind of high temperature resistant, non-aging insulation basic unit for cable, to solve the problems of the technologies described above.
Technical problem to be solved by this invention realizes by the following technical solutions:
For high temperature resistant, the non-aging insulation basic unit of cable, it is characterized in that: be prepared from by the starting material of following weight part:
150 parts, acetone, o-cresol formaldehyde epoxy resin 15 parts, phenoxy resin 8 parts, polyvinyl chloride resin 12 parts, bisphenol A type epoxy resin 18 parts, paracril 6 parts, oxidic polyethylene ester 8 parts, filler 16 parts, boric acid 6 parts, 3 parts, glass fibre, stearic acid 7 parts, 3 parts, calcium oxide, nano silicon 4 parts, starch 3 parts, 1.5 parts, aluminium hydroxide;
Preparation method:
1) acetone is got as solvothermal to 45 DEG C;
2) o-cresol formaldehyde epoxy resin, phenoxy resin, polyvinyl chloride resin, bisphenol A type epoxy resin, paracril, oxidic polyethylene ester and filler are added step 1 successively) acetone solvent in and stir, fully mix, form halogen-free high-thermal-conductivity type resin combination;
3) by step 2) resin combination be heated to 65 DEG C, boric acid, glass fibre, stearic acid, calcium oxide, nano silicon, starch, aluminium hydroxide is added successively in resin combination, stir, obtain the insulating base material for coated cable core;
4) cable core immerses in insulating base material successively, and insulating base material is wrapped in cable core surface, forms the insulated substrate of cable core.
The cable core feeding air-floatation type oven being coated with insulated substrate toasts 10 minutes at 170 DEG C, insulated substrate is made to be in semi-cured state, and then the cable core being enclosed with insulated substrate is immersed anti-aging treatment solution soak 2 minutes, then drain, enter next procedure, on insulated substrate surface, wrap insulate is outer.
Anti-aging treatment solution is formed by the starting material mixture of following weight part: 500 parts, water, ethanol 25 parts, modified kaolin 2.5 parts, fumaric acid 0.5 part, nano silicon 6 parts, stearic acid 3 parts, starch 5 parts;
Described modified kaolin be according to 1: 0.15: 0.8: 2 weight ratio kaolin, ammonium hydrogen phosphate, acetic acid and deionized water are mixed, pull an oar 0.5 ~ 4 hour, by slurries roasting 120 minutes at 600 DEG C, then cool, with deionized water wash, obtain modified kaolin.
The epoxy equivalent (weight) of described o-cresol formaldehyde epoxy resin is 200-230, described phenoxy resin number-average molecular weight >=10000, and the epoxy equivalent (weight) of described bisphenol A type epoxy resin is 430-450, and the mooney viscosity of described paracril is 30-40.
Anti-aging treatment solution of the present invention substitutes traditional water coolant and uses, the insulated substrate of the semi-cured state after baking, immerse cooling and shaping in anti-aging treatment solution, semicure insulated substrate enters the moment for the treatment of solution, kaolin in treatment solution, starch and nano silicon composition can be attached to semicure insulated substrate surface, form one with insulation layer in solidification process, can delay insulation layer aging, fracture, fumaric acid, stearic existence in treatment solution, can ramollescence be played, make the insulated substrate solidify to form have good snappiness.
The invention has the beneficial effects as follows:
The insulated substrate of cable core of the present invention, also be enclosed with insulating outer layer outside it, insulated substrate and insulating outer layer have hands over bonding properties closely, and cable insulation has high temperature resistant, aging-resistant performance, cable is used under comparatively rugged environment, and work-ing life is longer than traditional cable.
Embodiment
The technique means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with specific embodiment, set forth the present invention further, but following embodiment being only the preferred embodiments of the present invention, and not all.Based on the embodiment in embodiment, those skilled in the art under the prerequisite not making creative work obtain other embodiment, all belong to protection scope of the present invention.
For high temperature resistant, the non-aging insulation basic unit of cable, it is characterized in that: be prepared from by the starting material of following weight part:
150 parts, acetone, o-cresol formaldehyde epoxy resin 15 parts, phenoxy resin 8 parts, polyvinyl chloride resin 12 parts, bisphenol A type epoxy resin 18 parts, paracril 6 parts, oxidic polyethylene ester 8 parts, filler 16 parts, boric acid 6 parts, 3 parts, glass fibre, stearic acid 7 parts, 3 parts, calcium oxide, nano silicon 4 parts, starch 3 parts, 1.5 parts, aluminium hydroxide;
Preparation method:
1) acetone is got as solvothermal to 45 DEG C;
2) o-cresol formaldehyde epoxy resin, phenoxy resin, polyvinyl chloride resin, bisphenol A type epoxy resin, paracril, oxidic polyethylene ester and filler are added step 1 successively) acetone solvent in and stir, fully mix, form halogen-free high-thermal-conductivity type resin combination;
3) by step 2) resin combination be heated to 65 DEG C, boric acid, glass fibre, stearic acid, calcium oxide, nano silicon, starch, aluminium hydroxide is added successively in resin combination, stir, obtain the insulating base material for coated cable core;
4) cable core immerses in insulating base material successively, and insulating base material is wrapped in cable core surface, forms the insulated substrate of cable core.
The cable core feeding air-floatation type oven being coated with insulated substrate toasts 10 minutes at 170 DEG C, insulated substrate is made to be in semi-cured state, and then the cable core being enclosed with insulated substrate is immersed anti-aging treatment solution soak 2 minutes, then drain, enter next procedure, on insulated substrate surface, wrap insulate is outer.
Anti-aging treatment solution is formed by the starting material mixture of following weight part: 500 parts, water, ethanol 25 parts, modified kaolin 2.5 parts, fumaric acid 0.5 part, nano silicon 6 parts, stearic acid 3 parts, starch 5 parts;
Described modified kaolin be according to 1: 0.15: 0.8: 2 weight ratio kaolin, ammonium hydrogen phosphate, acetic acid and deionized water are mixed, pull an oar 0.5 ~ 4 hour, by slurries roasting 120 minutes at 600 DEG C, then cool, with deionized water wash, obtain modified kaolin.
The epoxy equivalent (weight) of described o-cresol formaldehyde epoxy resin is 200-230, described phenoxy resin number-average molecular weight >=10000, and the epoxy equivalent (weight) of described bisphenol A type epoxy resin is 430-450, and the mooney viscosity of described paracril is 30-40.
In prior art, the physical strength of non-high-temperature resistant, anti-aging cable insulation basic unit and Hi-pot test result are as following table:
The physical strength of high temperature resistant in the embodiment of the present invention, anti-aging cable insulation basic unit and Hi-pot test result are as following table:
More than show and describe ultimate principle of the present invention, principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification sheets is only preference of the present invention; be not used for limiting the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (2)
1., for high temperature resistant, the non-aging insulation basic unit of cable, it is characterized in that: be prepared from by the starting material of following weight part:
150 parts, acetone, o-cresol formaldehyde epoxy resin 15 parts, phenoxy resin 8 parts, polyvinyl chloride resin 12 parts, bisphenol A type epoxy resin 18 parts, paracril 6 parts, oxidic polyethylene ester 8 parts, filler 16 parts, boric acid 6 parts, 3 parts, glass fibre, stearic acid 7 parts, 3 parts, calcium oxide, nano silicon 4 parts, starch 3 parts, 1.5 parts, aluminium hydroxide;
Preparation method:
1) acetone is got as solvothermal to 45 DEG C;
2) o-cresol formaldehyde epoxy resin, phenoxy resin, polyvinyl chloride resin, bisphenol A type epoxy resin, paracril, oxidic polyethylene ester and filler are added step 1 successively) acetone solvent in and stir, fully mix, form halogen-free high-thermal-conductivity type resin combination;
3) by step 2) resin combination be heated to 65 DEG C, boric acid, glass fibre, stearic acid, calcium oxide, nano silicon, starch, aluminium hydroxide is added successively in resin combination, stir, obtain the insulating base material for coated cable core;
4) cable core immerses in insulating base material successively, and insulating base material is wrapped in cable core surface, forms the insulated substrate of cable core.
2. high temperature resistant, non-aging insulation basic unit for cable according to claim 1, it is characterized in that: the epoxy equivalent (weight) of described o-cresol formaldehyde epoxy resin is 200-230, described phenoxy resin number-average molecular weight >=10000, the epoxy equivalent (weight) of described bisphenol A type epoxy resin is 430-450, and the mooney viscosity of described paracril is 30-40.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510692595.6A CN105255110A (en) | 2015-10-21 | 2015-10-21 | High-temperature-resistant and anti-ageing insulating base layer used for cables |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510692595.6A CN105255110A (en) | 2015-10-21 | 2015-10-21 | High-temperature-resistant and anti-ageing insulating base layer used for cables |
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| CN105255110A true CN105255110A (en) | 2016-01-20 |
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| CN201510692595.6A Pending CN105255110A (en) | 2015-10-21 | 2015-10-21 | High-temperature-resistant and anti-ageing insulating base layer used for cables |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106282688A (en) * | 2016-08-22 | 2017-01-04 | 安徽亚南电缆厂 | A kind of fire-retardant rare earth aluminum alloy power cable of steel-tape armouring and preparation method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101675137A (en) * | 2007-04-30 | 2010-03-17 | Lg化学株式会社 | Adhesive resin composition and dicing die bonding film using the same |
| CN102634167A (en) * | 2011-02-10 | 2012-08-15 | 台光电子材料股份有限公司 | Resin composition |
| CN103173175A (en) * | 2013-03-23 | 2013-06-26 | 广东新展化工新材料有限公司 | Organic silicone modified epoxy resin sealant and preparation method thereof |
-
2015
- 2015-10-21 CN CN201510692595.6A patent/CN105255110A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101675137A (en) * | 2007-04-30 | 2010-03-17 | Lg化学株式会社 | Adhesive resin composition and dicing die bonding film using the same |
| CN102634167A (en) * | 2011-02-10 | 2012-08-15 | 台光电子材料股份有限公司 | Resin composition |
| CN103173175A (en) * | 2013-03-23 | 2013-06-26 | 广东新展化工新材料有限公司 | Organic silicone modified epoxy resin sealant and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106282688A (en) * | 2016-08-22 | 2017-01-04 | 安徽亚南电缆厂 | A kind of fire-retardant rare earth aluminum alloy power cable of steel-tape armouring and preparation method |
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Application publication date: 20160120 |