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Low-temperature-resistant light-duty plastic for seabed optical cable conjunction boxes

A technology for submarine optical cables and junction boxes, which is applied in the field of plastics for low-temperature-resistant light-duty submarine optical cable junction boxes. It can solve the problems of poor low-temperature resistance, poor pressure resistance, and short service life. The effect of enhancing the withstand voltage performance

Inactive Publication Date: 2015-04-08
SUZHOU NEW DISTRICT JIAHE PLASTIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] One of the important technical indicators of the submarine optical cable junction box is that it can withstand the water pressure of hundreds to a thousand atmospheres, but the current submarine optical cable junction box has poor pressure resistance, short service life, and needs to be replaced frequently
[0003] In addition, the existing submarine optical cable junction box has the problems of poor low temperature resistance and heavy weight

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] Embodiment 1: A low-temperature-resistant plastic for a light-duty submarine optical cable junction box, consisting of the following components by weight: PC: 50 parts; PBT: 15 parts; fusible polytetrafluoroethylene: 15 parts; anti-pressure agent: 10 parts; Toughening agent: 3 parts; Toner: 1 part; Antioxidant: 0.2 parts.

[0014] The toughening agent is a maleic anhydride graft compatibilizer.

[0015] The maleic anhydride grafted compatibilizer is maleic anhydride grafted with POE.

[0016] The antioxidant is antioxidant 168.

[0017] The specification of the toner is black masterbatch.

[0018] The anti-pressure agent is aramid fiber.

[0019] A low-temperature-resistant light submarine optical cable junction box plastic in this embodiment has a surface gloss of 50%, an impact strength of 96 MPa, and a tensile strength of 78 MPa. 0.8kg lighter (the existing junction box is generally 4kg).

Embodiment 2

[0020] Embodiment 2: A low-temperature-resistant plastic for a light-duty submarine optical cable junction box, consisting of the following components by weight: PC: 60 parts; PBT: 20 parts; fusible polytetrafluoroethylene: 20 parts; anti-pressure agent: 15 parts; Toughener: 4 parts; Toner: 2 parts; Antioxidant: 0.5 parts.

[0021] The toughening agent is a maleic anhydride graft compatibilizer.

[0022] The maleic anhydride grafted compatibilizer is maleic anhydride grafted EVA.

[0023] The antioxidant is antioxidant 168.

[0024] The specification of the toner is black masterbatch.

[0025] The anti-pressure agent is aramid pulp.

[0026] A low-temperature-resistant light submarine optical cable junction box plastic in this embodiment has a surface gloss of 55%, an impact strength of 112 MPa, and a tensile strength of 85 MPa. 1kg lighter.

Embodiment 3

[0027] Embodiment 3: A low-temperature-resistant plastic for a light-duty submarine optical cable junction box, consisting of the following components by weight: PC: 70 parts; PBT: 30 parts; fusible polytetrafluoroethylene: 25 parts; anti-pressure agent: 25 parts; Toughener: 5 parts; Toner: 3 parts; Antioxidant: 1 part.

[0028] The toughening agent is a maleic anhydride graft compatibilizer.

[0029] The maleic anhydride graft compatibilizer is maleic anhydride grafted with SBS.

[0030] The antioxidant is antioxidant 168.

[0031] The specification of the toner is black masterbatch.

[0032] The anti-pressure agent is aramid fiber.

[0033] A low-temperature-resistant light submarine optical cable junction box plastic in this embodiment has a surface gloss of 58%, an impact strength of 120 MPa, and a tensile strength of 89 MPa, and is resistant to acid, alkali, corrosion, low temperature, and lighter than existing junction boxes 1.5kg lighter.

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Abstract

Disclosed low-temperature-resistant light-duty plastic for seabed optical cable conjunction boxes is composed of the following compositions in parts by weight: 50-100 parts of PC, 15-60 parts of PBT, 15-35 parts of fusible teflon, 10-30 parts of an anti-compression agent, 3-7 parts of a flexibilizer, 1-5 parts of a toner, and 0.2-2 parts of an anti-oxidant. The flexibilizer comprises a maleic anhydride grafted compatilizer, and the maleic anhydride grafted compatilizer comprises maleic anhydride grafted POE, maleic anhydride grafted EVA, maleic anhydride grafted SBS, maleic anhydride grafted EPDM, maleic anhydride grafted PE or maleic anhydride grafted ABS; the anti-oxidant comprises an anti-oxidant 168; the specification of the toner comprises black color mater; and the anti-compression agent comprises aramid fiber or aramid fiber pulp. The provided low-temperature-resistant light-duty plastic for seabed optical cable conjunction boxes has the advantages of relatively strong pressure resistance, mechanical strength, acid and alkali resistance, low-temperature resistance, light weight and the like.

Description

technical field [0001] The invention relates to a low-temperature-resistant plastic for a light submarine optical cable junction box, in particular to a plastic formula for a low-temperature resistant light submarine optical cable junction box. Background technique [0002] One of the important technical indicators of the submarine optical cable junction box is that it can withstand the water pressure of hundreds to a thousand atmospheres. However, the current submarine optical cable junction box has poor pressure resistance, short service life, and needs to be replaced frequently. [0003] In addition, the existing submarine optical cable junction box has the problems of poor low temperature resistance and heavy weight. Contents of the invention [0004] The technical problem to be solved by the present invention is to provide a plastic for submarine optical cable junction box with low temperature resistance and light weight; further, the present invention provides a plas...

Claims

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Application Information

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IPC IPC(8): C08L69/00C08L67/02C08L27/18C08L51/06C08L51/00C08L51/04C08L77/10C08K5/526
CPCC08L69/00C08L2203/20C08L2205/035C08L2205/16C08L67/02C08L27/18C08L51/06C08L77/10C08K5/526C08L51/00C08L51/04C08L51/003
Inventor 蒋学功
Owner SUZHOU NEW DISTRICT JIAHE PLASTIC