CN104910801A - Optical fiber surface coating adhesive preparation method - Google Patents
Optical fiber surface coating adhesive preparation method Download PDFInfo
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- CN104910801A CN104910801A CN201510285273.XA CN201510285273A CN104910801A CN 104910801 A CN104910801 A CN 104910801A CN 201510285273 A CN201510285273 A CN 201510285273A CN 104910801 A CN104910801 A CN 104910801A
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- optical fiber
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Abstract
The present invention discloses an optical fiber surface coating adhesive preparation method which comprises the following steps: S1. kneading, to be more specific, high molecular weight polyisobutylene, organic silicon rubber, medium molecular weight polyisobutylene, low molecular weight polyisobutylene, an antioxidant, glass fibers and silicates are added in a rubber kneading machine for kneading, the kneading time is 30 to 50 minutes, the temperature is 120-160 DEG C; S2. mixing, to be more specific, after the completion of the kneading, an inorganic filler is added for mixing, the mixing time is 30 to 50 minutes, the temperature is 120-160 DEG C, the mixing speed is 200-280rpm; S3. extrusion, the mixed plastic material is extruded into a rubber extruder through a discharging screw, then is extruded from the rubber extruder to coat the optical fiber surface, wherein the extruder machine barrel temperature is 100-150 DEG C, and the machine head temperature is 120-140 DEG C.
Description
Technical field
The present invention relates to cable configuration, specifically a kind of preparation method of optical fiber surface coating adhesive.
Background technology
Optical cable is a kind of light conduction instrument reaching the total reflection principle transmission caused in fiber that light makes at glass or plastics.Optical cable is that the optical fiber of some amount forms the cable heart according to certain way, is surrounded by sheath outward, the also coated outer jacket had, in order to realize a kind of communication link of optical signal transmission.In prior art, optical fiber is arranged in Loose tube, will add fine cream in Loose tube simultaneously, and fine cream is indispensable in producing as central tubular and layer-stranding cable, play sealing, resistance to stress shock absorption, but it does not possess insulation effect; In the prior art, combine to make optical fiber and transmitting line, market has taken up research and development optical fiber transmission of electricity optical cable, optical cable and power transmission cable are combined, but produce amount of heat because the electrical lead in power transmission cable needs to overcome self-resistance in the process of transmission current, therefore these heats can affect the transmission performance of optical fiber, and therefore existing transmission of electricity optical cable needs to overcome above-mentioned major issue.
Summary of the invention
The object of the present invention is to provide a kind of preparation method of optical fiber surface coating adhesive, make the optical fiber surface of transmitting electricity in optical cable have the above-mentioned coating adhesive of coating, thus play the heat of isolated transmission of electricity electrical lead generation, thus overcome the impact of heat on optical fiber.
Object of the present invention is achieved through the following technical solutions: a kind of preparation method of optical fiber surface coating adhesive, and it comprises the following steps:
S1. mediate: in rubber kneading machine, add high molecular weight polyisobutylene, organo-silicone rubber, middle-molecular-weihydroxyethyl polyisobutene, low-molecular-weight polyisobutylene and antioxidant, glass fibre, silicate to mediate, kneading time is 30 ~ 50 minutes, temperature is 120 ~ 160 DEG C, calculate by weight, organo-silicone rubber: 25 ~ 30 parts; High molecular weight polyisobutylene: 5 ~ 10 parts; Middle-molecular-weihydroxyethyl polyisobutene: 5 ~ 10 parts; Low-molecular-weight polyisobutylene: 10 ~ 15 parts; Antioxidant: 0.5 ~ 1 part; Glass fibre: 5 ~ 10 parts; Silicate: 5 ~ 10 parts;
S2. be in harmonious proportion: after kneading completes, add mineral filler be again in harmonious proportion, wherein time harmonic is 30 ~ 50 minutes, and temperature is 120 ~ 160 DEG C, and mediation rotating speed is 200 ~ 280rpm, calculates by weight, mineral filler: 10 ~ 15 parts;
S3. extrude: be squeezed in Rubber Extruder by the sizing material after being in harmonious proportion through discharge screw, Rubber Extruder Extrusion Coating is at optical fiber surface, and wherein the barrel zone temperature of forcing machine is 100 ~ 150 DEG C, and head temperature is 120 ~ 140 DEG C.
The coating adhesive of said components composition, it possesses excellent tensile strength, and its tensile strength can reach 330Ka, also possesses excellent dielectric strength, can reach 12KV/mm; Also possess good sealing characteristics, have more the insulating characteristics of standby superelevation.
Coating adhesive of the present invention take polyisobutene as raw material, not containing double bond in polyisobutene molecular structure, for saturated linear polymer, therefore excellent thermostability, resistance to chemical attack, resistance to ozone and weatherable characteristic is possessed, wherein be added with glass fibre and silicate, this coating adhesive can be made to possess superpower insulating characteristics, organo-silicone rubber is heated in the present invention simultaneously, the high temperature resistant of coating adhesive and lower temperature resistance can be significantly improved, be applicable to severe cold and extremely hot region, for China cold district provides the feasible scheme of optical fiber erection.
The average relative molecular mass of described organo-silicone rubber is 150,000 ~ 500,000.
The viscosity-average molecular weight of described high molecular weight polyisobutylene is 200,000 ~ 2,600,000.
The viscosity-average molecular weight of described middle-molecular-weihydroxyethyl polyisobutene is 40,000 ~ 8.5 ten thousand.
The number-average molecular weight of described low-molecular-weight polyisobutylene is 1000 ~ 3000.
Described mineral filler is a kind of or several arbitrarily mixture in kaolin, talcum powder, calcium carbonate.
Described antioxidant is a kind of of antioxidant 264, antioxidant 1010 or antioxidant 168 or mixtures several arbitrarily.
The invention has the advantages that: reach protection optical fiber, make the optical fiber surface of transmitting electricity in optical cable have the above-mentioned coating adhesive of coating, thus play the heat of isolated transmission of electricity electrical lead generation, thus overcome the impact of heat on optical fiber.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment 1:
A preparation method for optical fiber surface coating adhesive, it comprises the following steps:
S1. mediate: in rubber kneading machine, add high molecular weight polyisobutylene, organo-silicone rubber, middle-molecular-weihydroxyethyl polyisobutene, low-molecular-weight polyisobutylene and antioxidant, glass fibre, silicate to mediate, kneading time is 30 ~ 50 minutes, temperature is 120 ~ 160 DEG C, calculate by weight, organo-silicone rubber: 25 ~ 30 parts; High molecular weight polyisobutylene: 5 ~ 10 parts; Middle-molecular-weihydroxyethyl polyisobutene: 5 ~ 10 parts; Low-molecular-weight polyisobutylene: 10 ~ 15 parts; Antioxidant: 0.5 ~ 1 part; Glass fibre: 5 ~ 10 parts; Silicate: 5 ~ 10 parts;
S2. be in harmonious proportion: after kneading completes, add mineral filler be again in harmonious proportion, wherein time harmonic is 30 ~ 50 minutes, and temperature is 120 ~ 160 DEG C, and mediation rotating speed is 200 ~ 280rpm, calculates by weight, mineral filler: 10 ~ 15 parts;
S3. extrude: be squeezed in Rubber Extruder by the sizing material after being in harmonious proportion through discharge screw, Rubber Extruder Extrusion Coating is at optical fiber surface, and wherein the barrel zone temperature of forcing machine is 100 ~ 150 DEG C, and head temperature is 120 ~ 140 DEG C.
The coating adhesive of said components composition, it possesses excellent tensile strength, and its tensile strength can reach 330Ka, also possesses excellent dielectric strength, can reach 12KV/mm; Also possess good sealing characteristics, have more the insulating characteristics of standby superelevation.
Coating adhesive of the present invention take polyisobutene as raw material, not containing double bond in polyisobutene molecular structure, for saturated linear polymer, therefore excellent thermostability, resistance to chemical attack, resistance to ozone and weatherable characteristic is possessed, wherein be added with glass fibre and silicate, this coating adhesive can be made to possess superpower insulating characteristics, organo-silicone rubber is heated in the present invention simultaneously, the high temperature resistant of coating adhesive and lower temperature resistance can be significantly improved, be applicable to severe cold and extremely hot region, for China cold district provides the feasible scheme of optical fiber erection.
The average relative molecular mass of described organo-silicone rubber is 150,000 ~ 500,000.
The viscosity-average molecular weight of described high molecular weight polyisobutylene is 200,000 ~ 2,600,000.
The viscosity-average molecular weight of described middle-molecular-weihydroxyethyl polyisobutene is 40,000 ~ 8.5 ten thousand.
The number-average molecular weight of described low-molecular-weight polyisobutylene is 1000 ~ 3000.
Described mineral filler is a kind of or several arbitrarily mixture in kaolin, talcum powder, calcium carbonate.
Described antioxidant is a kind of of antioxidant 264, antioxidant 1010 or antioxidant 168 or mixtures several arbitrarily.
As mentioned above, then well the present invention can be realized.
Claims (7)
1. a preparation method for optical fiber surface coating adhesive, is characterized in that:
It comprises the following steps:
S1. mediate: in rubber kneading machine, add high molecular weight polyisobutylene, organo-silicone rubber, middle-molecular-weihydroxyethyl polyisobutene, low-molecular-weight polyisobutylene and antioxidant, glass fibre, silicate to mediate, kneading time is 30 ~ 50 minutes, temperature is 120 ~ 160 DEG C, calculate by weight, organo-silicone rubber: 25 ~ 30 parts; High molecular weight polyisobutylene: 5 ~ 10 parts; Middle-molecular-weihydroxyethyl polyisobutene: 5 ~ 10 parts; Low-molecular-weight polyisobutylene: 10 ~ 15 parts; Antioxidant: 0.5 ~ 1 part; Glass fibre: 5 ~ 10 parts; Silicate: 5 ~ 10 parts;
S2. be in harmonious proportion: after kneading completes, add mineral filler be again in harmonious proportion, wherein time harmonic is 30 ~ 50 minutes, and temperature is 120 ~ 160 DEG C, and mediation rotating speed is 200 ~ 280rpm, calculates by weight, mineral filler: 10 ~ 15 parts;
S3. extrude: be squeezed in Rubber Extruder by the sizing material after being in harmonious proportion through discharge screw, Rubber Extruder Extrusion Coating is at optical fiber surface, and wherein the barrel zone temperature of forcing machine is 100 ~ 150 DEG C, and head temperature is 120 ~ 140 DEG C.
2. the preparation method of a kind of optical fiber surface coating adhesive as claimed in claim 1, is characterized in that, the average relative molecular mass of described organo-silicone rubber is 150,000 ~ 500,000.
3. the preparation method of a kind of optical fiber surface coating adhesive as claimed in claim 1, is characterized in that, the viscosity-average molecular weight of described high molecular weight polyisobutylene is 200,000 ~ 2,600,000.
4. the preparation method of a kind of optical fiber surface coating adhesive as claimed in claim 1, is characterized in that, the viscosity-average molecular weight of described middle-molecular-weihydroxyethyl polyisobutene is 40,000 ~ 8.5 ten thousand.
5. the preparation method of a kind of optical fiber surface coating adhesive as claimed in claim 1, is characterized in that, the number-average molecular weight of described low-molecular-weight polyisobutylene is 1000 ~ 3000.
6. the preparation method of a kind of optical fiber surface coating adhesive as claimed in claim 1, is characterized in that, described mineral filler is a kind of or several arbitrarily mixture in kaolin, talcum powder, calcium carbonate.
7. the preparation method of a kind of optical fiber surface coating adhesive as claimed in claim 1, is characterized in that, described antioxidant is a kind of of antioxidant 264, antioxidant 1010 or antioxidant 168 or mixtures several arbitrarily.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510285273.XA CN104910801A (en) | 2015-05-29 | 2015-05-29 | Optical fiber surface coating adhesive preparation method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510285273.XA CN104910801A (en) | 2015-05-29 | 2015-05-29 | Optical fiber surface coating adhesive preparation method |
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| CN104910801A true CN104910801A (en) | 2015-09-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111117329A (en) * | 2019-12-13 | 2020-05-08 | 河南普绿环保科技有限公司 | Environment-friendly building construction and decoration coating and preparation method thereof |
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- 2015-05-29 CN CN201510285273.XA patent/CN104910801A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111117329A (en) * | 2019-12-13 | 2020-05-08 | 河南普绿环保科技有限公司 | Environment-friendly building construction and decoration coating and preparation method thereof |
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Application publication date: 20150916 |
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