Summary of the invention
The object of the invention; Provide a kind of optical cable with refusing water type cold-application filling paste to the problems referred to above exactly; Thereby thoroughly solve infiltration and the protection question of optical cable under various natural environment and climate conditions,, thereby improve the optical cable product quality with the transmission performance of assurance optical cable.
Another object of the present invention is to provide a kind of above-mentioned optical cable with the preparation method who refuses water type cold-application filling paste.
The technical scheme that the present invention is adopted in order to reach the goal is: a kind of optical cable comprises following feed composition and weight percent content thereof with refusing water type cold-application filling paste:
Base oil 50~80%;
Tackifier 4~15%;
Oil dividing inhibitor 3~10%;
Viscosifying agent 4~15%;
Antioxidant 0.3~1%;
Thickening agent 8~30%;
Anti-emulsion 0.2~3%.
Above-mentioned optical cable is with refusing water type cold-application filling paste, and wherein, said base oil is selected from hydrogenation white oil or naphthenic rubber oil; Said tackifier are selected from polyisobutylene; Said oil dividing inhibitor is selected from the high molecular polymer synthetic rubber, and said viscosifying agent is selected from the macromolecular thermoplastic synthetic rubber, and said antioxidant is high-temperature antioxidant; Said thickening agent is an extreme pressure water-resistant railway grease, and said anti-emulsion is the special-purpose anti-emulsion of lubricated oils.
Above-mentioned raw materials is the commercially available prod.
The present invention also provides a kind of above-mentioned optical cable with the preparation method who refuses water type cold-application filling paste, may further comprise the steps:
Earlier tackifier are added in the base oil, heated and stirred added oil dividing inhibitor after 0.5~1 hour, continued heating and stirring 2~5 hours; When treating that temperature rises to 150 ℃, add viscosifying agent, continue heating and stirring, insulated and stirred when treating that temperature reaches 170 ℃; All be melted in the base-material until viscosifying agent, add antioxidant then, fully stir 0.5~1 hour after, base-material cooling is cooled to 20 ℃~60 ℃; Add thickening agent, fully feed back stirred after 1~3 hour, added anti-emulsion, fully stir 0.5~1 hour again after; Obtain the faint yellow compound of semifluid shape, grind through homogeneous, vacuum outgas obtains final products.
Core technology of the present invention is to adopt material, particularly viscosifying agent and the thickening agent with demulsification performance, and it can guarantee infiltration and the protection question of optical cable under various environment (particularly optical cable under the deep water, the common cable cream that blocks water is difficult to meet the demands) and weather conditions.Viscosifying agent in the present invention prescription adopts is the thermal plastic high polymer synthetic rubber that has splendid water repelling property after oil-filled.What thickening agent adopted is the railway grease with extreme pressure water-resistant performance.And the thickening agent of common cable cream mostly adopts as: bentonitic clay, SIO
2, AL
2O
3Deng material, these materials under certain condition (as: temperature, pressure etc.) very easily by emulsification.
The present invention makes it have following advantage and characteristics owing to adopted above technological innovation scheme:
1, optical cable of the present invention is to stop various liquid through self water repellency with refusing water type cold-application filling paste; It is inner that gas and external foreign material are invaded optical cable; Be the imperial bodyguard next to the shin who truly protects optical cable, it can thoroughly solve phenomenons such as optical cable blocking water under any natural environment and climate condition, protection against the tide, resistance to compression, buffering thus.
2, optical cable of the present invention has high-low temperature resistant, salt water resistance, emulsion resistance (80 ℃, 7d, not emulsification is not disintegrated), the high characteristic of thixotropic index value with refusing water type cold-application filling paste;
3, optical cable of the present invention can be used for filling the air-gap between various optical cable pine sleeve pipes with refusing water type cold-application filling paste; Or the combination of filling said structure and the gap of any other optical cable components; To prevent that water or other fluid from flowing into or moving in the optical cable; Effects such as good resistance to compression, anti-water, protection against the tide, buffering are provided for optical cable, thereby improve the quality of optical cable product.
Embodiment
Below in conjunction with embodiment the present invention is further described:
Embodiment 1
100 gram tackifier are joined in the 571 gram hydrogenation white oils, and heating was fully stirred after 0.5~1 hour, added 40 gram oil dividing inhibitors, continued heating and stirring 2~5 hours; When treating that temperature rises to 150 ℃, add 80 gram viscosifying agents, continue heating and stirring, insulated and stirred when treating that temperature reaches 170 ℃; All be melted in the base-material until viscosifying agent, add then 4 the gram antioxidant, fully stir 0.5~1 hour after; The base-material cooling is cooled to 20 ℃~60 ℃, adds 200 gram thickening agents again, fully feed back stirred after 1~3 hour; Add the anti-emulsion of 5 grams, fully stir 0.5~1 hour again after, obtain the faint yellow compound of semifluid shape; Grind through homogeneous, vacuum outgas obtains final products.
In the above-mentioned raw materials; It is the polyisobutylene of PB2400 that tackifier are selected Daopu Chemical International Trade Co., Ltd., Shanghai, model for use; Oil dividing inhibitor is selected from U.S. Kraton company, model is the high molecular polymer synthetic rubber of G1702; Viscosifying agent is selected from Infineum company, model is the macromolecular thermoplastic synthetic rubber of SV150, and it is the high-temperature antioxidant of L-1035 that antioxidant is selected Ciba (China) company limited, model for use, the 3# extreme pressure water-resistant railway grease that thickening agent selects for use sea, Shanghai water chestnut railway grease company limited to produce; The special-purpose anti-emulsion of the lubricated oils of the T1001 type that anti-emulsion selects for use positive Tonghua, Guangzhou worker company limited to produce, other raw material is all the commercially available prod.
These final products through detecting leading indicator are: outward appearance, faint yellow; Flash-point>200 ℃; Dropping point>150 ℃; Cone penetration (25 ℃) 3601/10mm; Analyse oil (80 ℃, 24h) 0%; Evaporation capacity (80 ℃, 24h) 0.35%; Acid number 0.23mgKOH/g; Oxidation induction period (190 ℃) >=60min; Liberation of hydrogen value (80 ℃, 24h) 0.006 μ l/g; Not emulsification of water resisting property (80 ℃, 7d), do not disintegrate; Compatibility: good with optical cable all material compatibility.
Embodiment 2
90 gram tackifier are joined in the 575 gram naphthenic rubber oil, and heating was fully stirred after 0.5~1 hour, added 45 gram oil dividing inhibitors, continued heating and stirring 2~5 hours; When treating that temperature rises to 150 ℃, add 85 gram viscosifying agents, continue heating and stirring, insulated and stirred when treating that temperature reaches 170 ℃; All be melted in the base-material until viscosifying agent, add then 5 the gram antioxidant, fully stir 0.5~1 hour after; The base-material cooling is cooled to 20 ℃~60 ℃, adds 195 gram thickening agents again, fully feed back stirred after 1~3 hour; Add the anti-emulsion of 5 grams, fully stir 0.5~1 hour again after, obtain the faint yellow compound of semifluid shape; Grind through homogeneous, vacuum outgas obtains final products.
In the above-mentioned raw materials, tackifier, oil dividing inhibitor, viscosifying agent, antioxygen, thickening agent and anti-emulsion are identical with embodiment 1, and other raw material is all the commercially available prod.
These final products through detecting leading indicator are: outward appearance, faint yellow; Flash-point>200 ℃; Dropping point>150 ℃; Cone penetration (25 ℃) 3501/10mm; Analyse oil (80 ℃, 24h) 0%; Evaporation capacity (80 ℃, 24h) 0.39%; Acid number 0.25mgKOH/g; Oxidation induction period (190 ℃) >=60min; Liberation of hydrogen value (80 ℃, 24h) 0.006 μ l/g; Not emulsification of water resisting property (80 ℃, 7d), do not disintegrate; Compatibility: good with optical cable all material compatibility.
Embodiment 3
85 gram tackifier are joined in the 580 gram hydrogenation white oils, and heating was fully stirred after 0.5~1 hour, added 50 gram oil dividing inhibitors, continued heating and stirring 2~5 hours; When treating that temperature rises to 150 ℃, add 75 gram viscosifying agents, continue heating and stirring, insulated and stirred when treating that temperature reaches 170 ℃; All be melted in the base-material until viscosifying agent, add then 6 the gram antioxidant, fully stir 0.5~1 hour after; The base-material cooling is cooled to 20 ℃~60 ℃, adds 190 gram thickening agents again, fully feed back stirred after 1~3 hour; Add the anti-emulsion of 14 grams, fully stir 0.5~1 hour again after, obtain the faint yellow compound of semifluid shape; Grind through homogeneous, vacuum outgas obtains final products.
In the above-mentioned raw materials, tackifier, oil dividing inhibitor, viscosifying agent, antioxygen, thickening agent and anti-emulsion are identical with embodiment 1, and other raw material is all the commercially available prod.
These final products through detecting leading indicator are: outward appearance, faint yellow; Flash-point>200 ℃; Dropping point>150 ℃; Cone penetration (25 ℃) 3551/10mm; Analyse oil (80 ℃, 24h) 0%; Evaporation capacity (80 ℃, 24h) 0.38%; Acid number 0.26mgKOH/g; Oxidation induction period (190 ℃) >=60min; Liberation of hydrogen value (80 ℃, 24h) 0.005 μ l/g; Not emulsification of water resisting property (80 ℃, 7d), do not disintegrate; Compatibility: good with optical cable all material compatibility.
Embodiment 4
105 gram tackifier are joined in the 550 gram naphthenic rubber oil, and heating was fully stirred after 0.5~1 hour, added 55 gram oil dividing inhibitors, continued heating and stirring 2~5 hours; When treating that temperature rises to 150 ℃, add 90 gram viscosifying agents, continue heating and stirring, insulated and stirred when treating that temperature reaches 170 ℃; All be melted in the base-material until viscosifying agent, add then 8 the gram antioxidant, fully stir 0.5~1 hour after; The base-material cooling is cooled to 20 ℃~60 ℃, adds 180 gram thickening agents again, fully feed back stirred after 1~3 hour; Add the anti-emulsion of 12 grams, fully stir 0.5~1 hour again after, obtain the faint yellow compound of semifluid shape; Grind through homogeneous, vacuum outgas obtains final products.
In the above-mentioned raw materials, tackifier, oil dividing inhibitor, viscosifying agent, antioxygen, thickening agent and anti-emulsion are identical with embodiment 1, and other raw material is all the commercially available prod.
These final products through detecting leading indicator are: outward appearance, faint yellow; Flash-point>200 ℃; Dropping point>150 ℃; Cone penetration (25 ℃) 3501/10mm; Analyse oil (80 ℃, 24h) 0%; Evaporation capacity (80 ℃, 24h) 0.37%; Acid number 0.26mgKOH/g; Oxidation induction period (190 ℃) >=60min; Liberation of hydrogen value (80 ℃, 24h) 0.006 μ l/g; Not emulsification of water resisting property (80 ℃, 7d), do not disintegrate; Compatibility: good with optical cable all material compatibility.
Above embodiment only supplies to explain the present invention's usefulness; But not limitation of the present invention; The technician in relevant technologies field under the situation that does not break away from the spirit and scope of the present invention, can also make various conversion or modification; Therefore all technical schemes that are equal to also should belong to category of the present invention, should be limited each claim.