CN104592455A - Method for synthesizing filled type polyurethane for cables and filled type polyurethane product - Google Patents
Method for synthesizing filled type polyurethane for cables and filled type polyurethane product Download PDFInfo
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- CN104592455A CN104592455A CN201410849126.6A CN201410849126A CN104592455A CN 104592455 A CN104592455 A CN 104592455A CN 201410849126 A CN201410849126 A CN 201410849126A CN 104592455 A CN104592455 A CN 104592455A
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Abstract
The invention relates to a method for synthesizing filled type polyurethane for cables. The method comprises the following steps of: putting dried methyl methacrylate, a styrene active monomer, 2,4-toluene diisocynate and dried trimethylolpropane in a reaction bottle; reacting with a little anti-aging agent, then adding N,N-dimethylaniline, and uniformly stirring to obtain a component A; taking a little dibutyl phthalate, adding excess dibenzoyl peroxide, blending into paste, mixing with castor oil while stirring, and adding an inorganic filling material to obtain a component B; and uniformly mixing the component A with the component B in parts by weight, pouring into a mould for and curing and forming. The method disclosed by the invention is high-efficiency, convenient and low in cost; and the prepared filled type polyurethane has good stability, insulativity, mechanical property, water resistance and oil resistance.
Description
Technology neck and
The present invention relates to a kind of cable urethane synthetic technology, particularly relate to a kind of cable filled-type urethane synthetic method and goods.
Background technology
Along with power industry extensive development, the demand of a large amount of cable accessory product innovations will inevitably be attended by.Cold casting type cable splice insulating sealing materials is wherein one of important kind.The industrialized country of some prosperities at present has series product supply market, as below the 6kv insulated cable annex casting resin etc. of Minnesota Mining and Manufacturing Company, cell park company of Switzerland.China also begins one's study in the latter stage eighties and has portioned product to throw in and uses.But, though at present kind or quantity all also limited.Research and develop this kind of material widely, not only there is scientific research value, and there are good market outlook.
Can be used as the polymer materials of cold casting type insulating resin, mainly contain two large classes ,-be liquid epoxies, two is liquid polyurethanes.Electrical property, the water resistance of liquid aromatic epoxy resin are poor, and child's system viscosity is large again, is not easily full of mould and easily produces micropore during casting ,-as the cold mould material of uncomfortable cooperation use.Though low viscous alicyclic epoxy has good performance, can not be widely used because of expensive.Urethane then have chemical constitution can diversification, viscosity easily adjust, insulating property and physical and mechanical properties good, and have the features such as better Waterproofing/oilproofing performance, being content with very little as the complex art requirement of insulating cold casting resin, is also current cold casting resin exploitation-individual important directions.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of cable filled-type urethane synthetic method, and the cable filled-type polyurethane material of preparation.The method is efficient, convenient, and cost is low, and prepared filled-type polyurethane material has the synthetic method of satisfactory stability, insulativity, mechanicalness, water tolerance, oil-proofness.
The technical scheme that the present invention solves the problems of the technologies described above is as follows:
A kind of cable filled-type urethane synthetic method, comprises the steps:
By dried methyl methacrylate, vinylbenzene reactive monomer, 2, the TriMethylolPropane(TMP) of 4-tolylene diisocyanate and drying treatment is as in reaction flask;
Add the reaction of a small amount of anti-aging agent, then add N, accelerine, stir and obtain first component;
The dibutyl phthalate taken a morsel, adds excessive dibenzoyl peroxide furnishing pasty state, under agitation mixes with Viscotrol C, add mineral filler and obtain second component;
First component, second group weight part are mixed, pours curing molding in mould into.
On the basis of technique scheme, the present invention can also do following improvement.
Further, described by dried methyl methacrylate, vinylbenzene reactive monomer, 2, TriMethylolPropane(TMP) being implemented as follows as step in reaction flask of 4-tolylene diisocyanate and drying treatment:
According to-NCO :-OH mol ratio is 2.0 ~ 2.3, successively by dried methyl methacrylate, vinylbenzene reactive monomer, 2, the TriMethylolPropane(TMP) of 4-tolylene diisocyanate and drying treatment is as in reaction flask.
Further, described in add a small amount of anti-aging agent reaction, add N, accelerine, stir and obtain being implemented as follows of first composition step:
Under 20 ~ 40 DEG C of conditions, the anti-aging agent 546 adding 0.23 ~ 0.56 weight part reacts 2 ~ 4h, then adds N, the accelerine of 0.58 ~ 1.12 weight part, stirs and obtains first component.
Further, described in the dibutyl phthalate that takes a morsel, add excessive dibenzoyl peroxide furnishing pasty state, under agitation mix with Viscotrol C, add mineral filler and obtain being implemented as follows of second composition step:
Get the dibutyl phthalate of 0.24 ~ 0.31 weight part, add excessive dibenzoyl peroxide furnishing pasty state, be 1:1 ~ 1:3 according to mass ratio, under agitation pasty substance mixed with Viscotrol C, add the SiO of 1.23 ~ 1.86 weight parts
2mineral filler obtains second component.
Further, described first component, second group weight part to be mixed, pour being implemented as follows of curing molding step in mould into:
Be 1.0 ~ 1.3 according to-NCO:-OH mol ratio, first component, second group weight part are mixed, solidify 12 ~ 24h under room temperature condition in a mold, obtain SiO
2filled-type urethane.
Cable filled-type polyurethane material prepared by the cable filled-type urethane synthetic method described in employing.
The invention has the beneficial effects as follows: method provided by the invention is efficient, convenient, and cost is low, prepared filled-type polyurethane material has satisfactory stability, insulativity, mechanicalness, water tolerance, oil-proofness.
Embodiment
Be described principle of the present invention and feature below in conjunction with example, example, only for explaining the present invention, is not intended to limit scope of the present invention.
A kind of cable filled-type urethane synthetic method, comprises the steps:
By dried methyl methacrylate, vinylbenzene reactive monomer, 2, the TriMethylolPropane(TMP) of 4-tolylene diisocyanate and drying treatment is as in reaction flask;
Add the reaction of a small amount of anti-aging agent, then add N, accelerine, stir and obtain first component;
The dibutyl phthalate taken a morsel, adds excessive dibenzoyl peroxide furnishing pasty state, under agitation mixes with Viscotrol C, add mineral filler and obtain second component;
First component, second group weight part are mixed, pours curing molding in mould into.
Adopt cable filled-type polyurethane material prepared by above-mentioned cable filled-type urethane synthetic method.
Embodiment 1:
According to-NCO :-OH mol ratio is 2.0, successively by dried methyl methacrylate, vinylbenzene reactive monomer, 2, the TriMethylolPropane(TMP) of 4-tolylene diisocyanate and drying treatment is as in reaction flask; Under 20 DEG C of conditions, the anti-aging agent 546 adding 0.23 weight part reacts 2h, then adds N, the accelerine of 0.58 weight part, stirs and obtains first component; Get the dibutyl phthalate of 0.24 weight part, add excessive dibenzoyl peroxide furnishing pasty state, under agitation 10 weight part pasty substancees are mixed with 10 weight part Viscotrol C, add the SiO of 1.23 weight parts
2mineral filler obtains second component; Be 1.0 according to-NCO:-OH mol ratio, first component, second group weight part mixed, solidifies 12h under room temperature condition in a mold, obtain SiO
2be the filled-type urethane of 5.13%.Cable filled-type polyurethane material prepared by the cable filled-type urethane synthetic method described in employing.
Embodiment 2:
According to-NCO :-OH mol ratio is 2.2, successively by dried methyl methacrylate, vinylbenzene reactive monomer, 2, the TriMethylolPropane(TMP) of 4-tolylene diisocyanate and drying treatment is as in reaction flask; Under 30 DEG C of conditions, the anti-aging agent 546 adding 0.36 weight part reacts 3h, then adds N, the accelerine of 0.86 weight part, stirs and obtains first component; Get the dibutyl phthalate of 0.28 weight part, add excessive dibenzoyl peroxide furnishing pasty state, under agitation 10 weight part pasty substancees are mixed with 20 weight part Viscotrol C, add the SiO of 1.45 weight parts
2mineral filler obtains second component; Be 1.2 according to-NCO:-OH mol ratio, first component, second group weight part mixed, solidifies 20h under room temperature condition in a mold, obtain SiO
2be the filled-type urethane of 5.38%.
Embodiment 3:
According to-NCO :-OH mol ratio is 2.3, successively by dried methyl methacrylate, vinylbenzene reactive monomer, 2, the TriMethylolPropane(TMP) of 4-tolylene diisocyanate and drying treatment is as in reaction flask; Under 40 DEG C of conditions, the anti-aging agent 546 adding 0.56 weight part reacts 4h, then adds N, the accelerine of 1.12 weight parts, stirs and obtains first component; Get the dibutyl phthalate of 0.31 weight part, add excessive dibenzoyl peroxide furnishing pasty state, under agitation 10 weight part pasty substancees are mixed with 30 weight part Viscotrol C, add the SiO of 1.86 weight parts
2mineral filler obtains second component; Be 1.3 according to-NCO:-OH mol ratio, first component, second group weight part mixed, solidifies 24h under room temperature condition in a mold, obtain SiO
2be the filled-type urethane of 5.33%.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. a cable filled-type urethane synthetic method, is characterized in that, comprise the steps:
By dried methyl methacrylate, vinylbenzene reactive monomer, 2, the TriMethylolPropane(TMP) of 4-tolylene diisocyanate and drying treatment is as in reaction flask;
Add the reaction of a small amount of anti-aging agent, then add N, accelerine, stir and obtain first component;
The dibutyl phthalate taken a morsel, adds excessive dibenzoyl peroxide furnishing pasty state, under agitation mixes with Viscotrol C, add mineral filler and obtain second component;
First component, second group weight part are mixed, pours curing molding in mould into.
2. cable filled-type urethane synthetic method according to claim 1, it is characterized in that, described by dried methyl methacrylate, vinylbenzene reactive monomer, 2, TriMethylolPropane(TMP) being implemented as follows as step in reaction flask of 4-tolylene diisocyanate and drying treatment:
According to-NCO :-OH mol ratio is 2.0 ~ 2.3, successively by dried methyl methacrylate, vinylbenzene reactive monomer, 2, the TriMethylolPropane(TMP) of 4-tolylene diisocyanate and drying treatment is as in reaction flask.
3. cable filled-type urethane synthetic method according to claim 1, is characterized in that, described in add the reaction of a small amount of anti-aging agent, add N, accelerine, stir and obtain being implemented as follows of first composition step:
Under 20 ~ 40 DEG C of conditions, the anti-aging agent 546 adding 0.23 ~ 0.56 weight part reacts 2 ~ 4h, then adds N, the accelerine of 0.58 ~ 1.12 weight part, stirs and obtains first component.
4. cable filled-type urethane synthetic method according to claim 1, it is characterized in that, the described dibutyl phthalate taken a morsel, add excessive dibenzoyl peroxide furnishing pasty state, under agitation mix with Viscotrol C, add mineral filler and obtain being implemented as follows of second composition step:
Get the dibutyl phthalate of 0.24 ~ 0.31 weight part, add excessive dibenzoyl peroxide furnishing pasty state, be 1:1 ~ 1:3 according to mass ratio, under agitation pasty substance mixed with Viscotrol C, add the SiO of 1.23 ~ 1.86 weight parts
2mineral filler obtains second component.
5. cable filled-type urethane synthetic method according to claim 1, is characterized in that, describedly first component, second group weight part is mixed, and pours being implemented as follows of curing molding step in mould into:
Be 1.0 ~ 1.3 according to-NCO:-OH mol ratio, first component, second group weight part are mixed, solidify 12 ~ 24h under room temperature condition in a mold, obtain SiO
2filled-type urethane.
6. adopt cable filled-type polyurethane material prepared by the described cable filled-type urethane synthetic method of one of claim 1-5.
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| CN201410849126.6A CN104592455A (en) | 2014-12-30 | 2014-12-30 | Method for synthesizing filled type polyurethane for cables and filled type polyurethane product |
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| CN201410849126.6A CN104592455A (en) | 2014-12-30 | 2014-12-30 | Method for synthesizing filled type polyurethane for cables and filled type polyurethane product |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105384909A (en) * | 2015-12-09 | 2016-03-09 | 重庆三零三科技有限公司 | Synthesis method of composite polyurethane for cable |
Citations (3)
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|---|---|---|---|---|
| WO1994005338A1 (en) * | 1992-09-07 | 1994-03-17 | Universite De Liege | Homogeneous combinations of flexible or rigid materials mouldable and adhesive at temperatures below 90 °c |
| US6156344A (en) * | 1996-12-26 | 2000-12-05 | Korea Advanced Institute Of Science And Technology | Method for improving blood compatibility of interpenetrating multicomponent polymer |
| CN103073694A (en) * | 2012-12-13 | 2013-05-01 | 江西科技师范大学 | Highly-water-resistant polyurethane emulsion having high biobased content, and its preparation method |
-
2014
- 2014-12-30 CN CN201410849126.6A patent/CN104592455A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994005338A1 (en) * | 1992-09-07 | 1994-03-17 | Universite De Liege | Homogeneous combinations of flexible or rigid materials mouldable and adhesive at temperatures below 90 °c |
| US6156344A (en) * | 1996-12-26 | 2000-12-05 | Korea Advanced Institute Of Science And Technology | Method for improving blood compatibility of interpenetrating multicomponent polymer |
| CN103073694A (en) * | 2012-12-13 | 2013-05-01 | 江西科技师范大学 | Highly-water-resistant polyurethane emulsion having high biobased content, and its preparation method |
Non-Patent Citations (1)
| Title |
|---|
| 向前,等: "填充型弹性聚氨酯IPN绝缘冷浇注树脂的合成及性能", 《弹性体》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105384909A (en) * | 2015-12-09 | 2016-03-09 | 重庆三零三科技有限公司 | Synthesis method of composite polyurethane for cable |
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Address after: Tianhe District Huang Cun Guangdong province Guangzhou City Daguan road 511400 No. 26 B313 Applicant after: Guangzhou High Technology Co., Ltd. Address before: 523000 Guangdong province Dongguan Nancheng District week Xilong Xi Road No. 5, Goldman science and Technology Park of the two fifteenth storey commercial building room 07 Applicant before: Dongguan high magnetic Technology Co., Ltd. |
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Application publication date: 20150506 |