CN103450565B - A kind of plastic special for optical fiber junction box - Google Patents
A kind of plastic special for optical fiber junction box Download PDFInfo
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
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- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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Abstract
The present invention relates to a kind of plastic special for optical fiber junction box, described plastic special for optical fiber junction box is made up of the component of following weight part: polypropylene 55-70 weight part, thermoplastic elastomer 3-10 weight part, toughener 15-30 weight part, containing functional group graftomer 3-8 weight part, modified polyorganosiloxane 0.3-0.8 weight part, nucleator 0.1-0.4 weight part, UV light absorber 0.2-0.5 weight part, photostabilizer 0.2-0.6 weight part, primary antioxidant 0.2-0.5 weight part, auxiliary antioxidant 0.2-0.5 weight part, processing aid 0.7-1.2 weight part.The feature that plastic special for optical fiber junction box of the present invention has that flat appearance, physical strength are high, ageing-resistant, electric property good, is easy to forming process, production cost is low, is suitable for injection moulding optical Fiber Closure.
Description
The application be based on the applying date be on July 18th, 2011, application number is 201110200392.2, denomination of invention is the divisional application that " a kind of plastic special for optical fiber junction box and preparation method thereof " proposes.
Technical field
The present invention relates to technical field of polymer materials, specifically, relate to a kind of plastic special for optical fiber junction box.
Background technology
Optical Fiber Closure; also optical fiber terminal box is claimed; be in the two ends of optical cable; it is an important support equipment in optical transmission system; it is mainly used in the fused fiber splice of optical fiber cable termination, optical connector is installed, the transfer of light path, the storage of unnecessary tail optical fiber and the protection etc. of optical cable; it has important effect for Networks of Fiber Communications safe operation and flexible use; for excellent data, image, voice transfer provide quality assurance; make somebody a mere figurehead for outdoor optical cable, pipeline, direct-burried etc. lay straight joint and difference continues, and play protection joint action.
It is shaping that optical Fiber Closure generally adopts polyblend to carry out injection molding, and the optical Fiber Closure made with this has good mechanical property, electrical insulation properties etc.But polyblend is on the one hand after moulding because there is unrelieved stress in the wherein constitutional features of a kind of polymer molecule key own, cause the easy internal stress reason of optical Fiber Closure finished product and ftracture, thus forfeiture use properties, under low-temperature condition, this optical Fiber Closure affects transmission quality because toughness deficiency also easy embrittlement makes fibre-optical splice place break down on the other hand.In addition polyblend starting material are adopted to carry out injection moulding optical Fiber Closure cost also higher.
Therefore, the invention provides a kind of PP plastic special for optical fiber junction box.
Summary of the invention
For overcoming the shortcoming of prior art, the object of the present invention is to provide a kind of plastic special for optical fiber junction box.
Plastic special for optical fiber junction box of the present invention take polypropylene as main raw material, is made up of the component of following weight part:
Polypropylene 55 ~ 70 weight part,
Thermoplastic elastomer 3 ~ 10 weight part,
Toughener 15 ~ 30 weight part,
Containing functional group's graftomer 3 ~ 8 weight part,
Modified polyorganosiloxane 1.5 ~ 5.5 weight part,
Nucleator 0.1 ~ 0.4 weight part,
UV light absorber 0.2 ~ 0.5 weight part,
Photostabilizer 0.2 ~ 0.6 weight part,
Primary antioxidant 0.1 ~ 0.3 weight part,
Auxiliary antioxidant 0.2 ~ 0.6 weight part,
Processing aid 0.5 ~ 1.2 weight part.
The homo-polypropylene of described polypropylene to be melt flow rate (MFR) be 5 ~ 15g/10min and melt flow rate (MFR) are one or more in the Co-polypropylene of 3 ~ 12g/10min.
Described thermoplastic elastomer is one or more in ethylene-octene copolymer elastomer, Ethylene-Propylene-Diene terpolymer elastomerics, styrene-butadiene-styrene block copolymer elastomer, ethylene-vinyl acetate c elastomerics.
Described is one or more in maleic anhydride inoculated polypropylene, acrylic acid-grafted polypropylene, glycidyl methacrylate graft polypropylene, maleic anhydride grafted polyethylene, acrylic acid-grafted polyethylene containing functional group's graftomer.
Described modified polyorganosiloxane is one or more in amino modified polysiloxane, epoxy-modified polysiloxane, methylpropenyl modified polyorganosiloxane.
Described nucleator is 2,2-methylene radical-two (4,6-di-n-butyl phenol) phosphoric acid salt, methylene-bis (2,4-di-tert-butyl-phenyl) phosphoric acid salt, n-butylbenzoic acid salt, two (to ethyl benzal) sorbyl alcohol, DMDBS, one or more in dehydroabietic acid an alkali metal salt.
Described UV light absorber is one or more in 2-(2-hydroxyl-3,5-di-t-butyl) the chloro-benzotriazole of-5-, 2-(the 2-hydroxyl tomb-3-tertiary butyl-5-methyl) the chloro-benzotriazole of-5-, 2-(2-hydroxyl-3,5-di-t-butyl)-benzotriazole, 2-Qiang Ji – 4 – oxy-octyl benzophenone.
Described photostabilizer is two 2,2,6, the 6-tetramethyl piperidine alcohol ester of sebacic acid, poly-[1-(2-hydroxyethyl)-2,2,6,6-tetramethyl--4-hydroxy piperidine butanediol ester], poly-{ [6-[(1,1,3,3 ,-tetramethyl butyl)-imino-]-1,3,5 ,-triazine-2,4-bis-base] [2-(2,2,6,6 ,-tetramethyl-piperidyl)-imino--hexa-methylene-[4-(2,2,6,6 ,-tetramethyl-sends pyridine base)-imino-]] in one or more.
Described primary antioxidant is 1,3,5-trimethylammonium-2,4,6-tri-(3,5-di-tert-butyl-4-hydroxyl benzyl) benzene, 1,1, one or more in 3 three (hydroxyl-5,2-methyl-4 tert-butyl-phenyl) butane, β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid octadecyl ester, four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester.
Described auxiliary antioxidant is thiodipropionic acid dilauryl cinnamic acid ester, thio-2 acid 2 stearyl ester, three (nonyl is for phenyl) phosphorous acid ester, (2,4 di-tert-butyl-phenyls) tris phosphite, one or more in two (2,4-di-tert-butyl-phenyl) pentaerythritol diphosphites.
Described processing aid is one or more in ethylene bis stearic acid amide, the two amine hydroxybenzene of ethylene, ethylene dilaurate acid amides.
The plastic special for optical fiber junction box that the present invention obtains has flat appearance, physical strength is high, ageing-resistant, electric property good, be easy to forming process, feature with low cost; Its preparation method technique is simple, easy to operate, production energy consumption is low.
Embodiment
Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.In the examples below that, polypropylene adopts oil of SPC company (model T30S, M500, M1100) or Yang Zi petro-chemical corporation (model S1004) or Refinery of Maoming Petrochemical Corporation (EPC30R) product, thermoplastic elastomer selects du pont company's (model 8200,8450 i.e. ethylene octene copolymer elastomer), toughener selects tai shan glass company (model T738), Ningbo Neng Zhiguang company (model GPM200A maleic anhydride inoculated polypropylene) or upper sea otter first company (model C PZ3005 glycidyl methacrylate graft polypropylene) is selected from containing functional group's graftomer, modified polyorganosiloxane is selected from Dow corning company (model RM-7105, RM-7081), Japanese rising sun electrification company (model NA-11 i.e. 2,2-methylene radical-two (4,6-di-n-butyl phenol) phosphoric acid salt, NA-21 and methylene-bis (2,4-di-tert-butyl-phenyl) phosphoric acid salt) selected by nucleator, Yixing angel Synesis Company used alternately by UV light absorber and photostabilizer, and (model 327 i.e. 2-(2-hydroxyl-3, 5-di-tert-butyl-phenyl) the chloro-benzotriazole of-5-, 326 i.e. 2-(the 2-hydroxyl-3-tertiary butyl-5-methyl) chloro-benzotriazoles of-5-, 770 i.e. sebacic acid two 2, 2, 6, 6-tetramethyl piperidine alcohol ester, 944 i.e. poly-{ [6-[(1, 1, 3, 3,-tetramethyl butyl)-imino-]-1, 3, 5,-triazine-2, 4-bis-base] [2-(2, 2, 6, 6,-tetramethyl-piperidyl)-imino--hexa-methylene-[4-(2, 2, 6, 6,-tetramethyl-sends pyridine base)-imino-]]), primary antioxidant and auxiliary anti-oxidant select Ningbo gold sea Albemarle Corporation, and (model AT-10 i.e. four [β-(3, 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, AT-76 and β (3,5-di-t-butyl-4-hydroxybenzene) propionic acid octadecanol ester, AT-168 i.e. three (2.4-di-tert-butyl-phenyl) phosphorous acid ester, AT-626 i.e. two (2.4-di-tert-butyl-phenyl) pentaerythritol diphosphites, DSTP and thio-2 acid 2 stearyl esters), processing aid selects Changzhou can match company's (model EBL ethylene dilaurate acid amides, EBS ethylene bis stearic acid amide).
Iso standard test is mainly pressed in test of the present invention, tensile property is tested by ISO527-93 requirement, bending property control ISO178-93 requires to test, impact property is tested by ISO180-93 requirement, heat-drawn wire is tested by ISO75-93 requirement, and surface gloss is tested by ISO8254 requirement.Volume specific resistance is tested by IEC60093 requirement.Thermal-oxidative aging property condition is test performance conservation rate after 150 DEG C of 168h.
Embodiment 1
Polypropylene (T30S, EPC30R) 60.8 weight parts, thermoplastic elastic (8150) 5 weight part, toughener (T738) 25 weight part, containing functional group's graftomer (GPM200A) 4 weight part, modified polyorganosiloxane (RM-7105) 2 weight part, nucleator (NA-11) 0.5 weight part, UV light absorber (326) 0.3 weight part, photostabilizer (770) 0.1 weight part, primary antioxidant (AT-10) 0.2 weight part, auxiliary anti-oxidant (AT-168) 0.4 weight part, processing aid (EBL) 0.7 weight part.Taking polypropylene, thermoplastic elastomer by embodiment 1, add homogenizer medium speed containing functional group's graftomer, nucleator, modified polyorganosiloxane is 550rpm premix 4min.Then take the UV light absorber except toughener, to add rear homogenizer medium speed be release after 950rpm mixing 6min for photostabilizer, primary antioxidant, auxiliary antioxidant, processing aid.The material of the equal spoon of mixing is placed in twin screw extruder hopper and releases, toughener is imported by twin screw extruder upper inlet, the processing temperature of twin screw extruder: district's temperature 185 DEG C, two district's temperature are 190 DEG C, and three district's temperature are 215 DEG C, four district's temperature are 220 DEG C, five district's temperature are 215 DEG C, and six district's temperature are 215 DEG C, and seven district's temperature are 210 DEG C, eight district's temperature are 210 DEG C, and engine speed is 300 turns/min; Cool after extruding, air-dry, pelletizing and get final product.
Embodiment 2
Polypropylene (M500, EPC30R) 60.8 weight parts, thermoplastic elastic (8150) 5 weight part, toughener (T738) 25 weight part, containing functional group's graftomer (GPM200A) 5 weight part, modified polyorganosiloxane (RM-7105) 2 weight part, nucleator (NA-21) 0.5 weight part, UV light absorber (327) 0.3 weight part, photostabilizer (770) 0.1 weight part, primary antioxidant (AT-76) 0.2 weight part, auxiliary anti-oxidant (AT-168) 0.4 weight part, processing aid (EBL) 0.7 weight part.Taking polypropylene, thermoplastic elastomer by embodiment 2, add homogenizer medium speed containing functional group's graftomer, nucleator, modified polyorganosiloxane is 550rpm premix 4min.Then take the UV light absorber except toughener, to add rear homogenizer medium speed be release after 950rpm mixing 6min for photostabilizer, primary antioxidant, auxiliary antioxidant, processing aid.The material of the equal spoon of mixing is placed in twin screw extruder hopper and releases, toughener is imported by twin screw extruder upper inlet, the processing temperature of twin screw extruder: district's temperature 185 DEG C, two district's temperature are 190 DEG C, and three district's temperature are 215 DEG C, four district's temperature are 220 DEG C, five district's temperature are 215 DEG C, and six district's temperature are 215 DEG C, and seven district's temperature are 210 DEG C, eight district's temperature are 210 DEG C, and engine speed is 300 turns/min; Cool after extruding, air-dry, pelletizing and get final product.
Embodiment 3
Polypropylene (S1004, EPC30R) 60 weight parts, thermoplastic elastic (8150) 5 weight part, toughener (T738) 25 weight part, containing functional group's graftomer (GPM200A) 4 weight part, modified polyorganosiloxane (RM-7081) 3 weight part, nucleator (NA-21) 0.5 weight part, UV light absorber (327) 0.3 weight part, photostabilizer (944) 0.1 weight part, primary antioxidant (AT-10) 0.2 weight part, auxiliary anti-oxidant (AT-626) 0.4 weight part, processing aid (EBS) 0.5 weight part.Taking polypropylene, thermoplastic elastomer by embodiment 3, add homogenizer medium speed containing functional group's graftomer, nucleator, modified polyorganosiloxane is 550rpm premix 4min.Then take the UV light absorber except toughener, to add rear homogenizer medium speed be release after 950rpm mixing 6min for photostabilizer, primary antioxidant, auxiliary antioxidant, processing aid.The material of the equal spoon of mixing is placed in twin screw extruder hopper and releases, toughener is imported by twin screw extruder upper inlet, the processing temperature of twin screw extruder: district's temperature 185 DEG C, two district's temperature are 195 DEG C, and three district's temperature are 210 DEG C, four district's temperature are 215 DEG C, five district's temperature are 220 DEG C, and six district's temperature are 215 DEG C, and seven district's temperature are 210 DEG C, eight district's temperature are 210 DEG C, and engine speed is 300 turns/min; Cool after extruding, air-dry, pelletizing and get final product.
Performance measured by embodiment 1 ~ 3 is as following table 1.
Table 1
| Project | Testing method | Unit | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Notched Izod impact strength | ISO180-93 | KJ/m 2 | 9.5 | 9.3 | 10.0 |
| Tensile strength | ISO527-93 | MPa | 47 | 45 | 44 |
| Elongation at break | ISO527-93 | % | 5.3 | 5.2 | 5.8 |
| Flexural strength | ISO178-93 | MPa | 79 | 75 | 76 |
| Modulus in flexure | ISO178-93 | MPa | 3400 | 3350 | 3380 |
| Heat-drawn wire (0.46MPa) | ISO75-93 | ℃ | 135 | 132 | 133 |
| Surface gloss | ISO8254 | % | 65 | 66 | 68 |
| Volume specific resistance | IEC60093 | Ω.cm | 10 16 | 10 16 | 10 16 |
| Thermo-oxidative ageing stretching strength retentivity | 150℃168h | % | 91 | 93 | 92 |
| Thermo-oxidative ageing flexural strength conservation rate | 150℃168h | % | 89 | 91 | 91 |
Embodiment 4
Polypropylene (M500, EPC30R) 58.8 weight parts, thermoplastic elastic (8200) 5 weight part, toughener (T738) 25 weight part, containing functional group's graftomer (CPZ3005) 4 weight part, modified polyorganosiloxane (RM-7081) 2 weight part, nucleator (NA-21) 0.5 weight part, UV light absorber (326) 0.3 weight part, photostabilizer (944) 0.1 weight part, primary antioxidant (AT-76) 0.2 weight part, auxiliary anti-oxidant (AT-626) 0.4 weight part, auxiliary anti-oxidant (DSTP) 0.2 weight part, processing aid (EBS) 0.5 weight part.Taking polypropylene, thermoplastic elastomer by embodiment 4, add homogenizer medium speed containing functional group's graftomer, nucleator, modified polyorganosiloxane is 550rpm premix 4min.Then take the UV light absorber except toughener, to add rear homogenizer medium speed be release after 950rpm mixing 6min for photostabilizer, primary antioxidant, auxiliary antioxidant, processing aid.The material of the equal spoon of mixing is placed in twin screw extruder hopper and releases, toughener is imported by twin screw extruder upper inlet, the processing temperature of twin screw extruder: district's temperature 185 DEG C, two district's temperature are 195 DEG C, and three district's temperature are 210 DEG C, four district's temperature are 215 DEG C, five district's temperature are 220 DEG C, and six district's temperature are 215 DEG C, and seven district's temperature are 210 DEG C, eight district's temperature are 210 DEG C, and engine speed is 300 turns/min; Cool after extruding, air-dry, pelletizing and get final product.
Embodiment 5
Polypropylene (M1100, EPC30R) 58.8 weight parts, thermoplastic elastic (8200) 5 weight part, toughener (T738) 25 weight part, containing functional group's graftomer (CPZ3005) 4 weight part, modified polyorganosiloxane (RM-7081) 2 weight part, nucleator (NA-21) 0.5 weight part, UV light absorber (326) 0.3 weight part, photostabilizer (944) 0.1 weight part, primary antioxidant (AT-76) 0.2 weight part, auxiliary anti-oxidant (AT-626) 0.4 weight part, auxiliary anti-oxidant (DSTP) 0.2 weight part, processing aid (EBS) 0.5 weight part.Taking polypropylene, thermoplastic elastomer by embodiment 5, add homogenizer medium speed containing functional group's graftomer, nucleator, modified polyorganosiloxane is 550rpm premix 4min.Then take the UV light absorber except toughener, to add rear homogenizer medium speed be release after 950rpm mixing 6min for photostabilizer, primary antioxidant, auxiliary antioxidant, processing aid.The material of the equal spoon of mixing is placed in twin screw extruder hopper and releases, toughener is imported by twin screw extruder upper inlet, the processing temperature of twin screw extruder: district's temperature 185 DEG C, two district's temperature are 195 DEG C, and three district's temperature are 210 DEG C, four district's temperature are 215 DEG C, five district's temperature are 220 DEG C, and six district's temperature are 215 DEG C, and seven district's temperature are 210 DEG C, eight district's temperature are 210 DEG C, and engine speed is 300 turns/min; Cool after extruding, air-dry, pelletizing and get final product.
Embodiment 6
Polypropylene (S1004, EPC30R) 58.8 weight parts, thermoplastic elastic (8200) 5 weight part, toughener (T738) 25 weight part, containing functional group's graftomer (CPZ3005) 4 weight part, modified polyorganosiloxane (RM-7081) 2 weight part, nucleator (NA-21) 0.5 weight part, UV light absorber (326) 0.3 weight part, photostabilizer (944) 0.1 weight part, primary antioxidant (AT-76) 0.2 weight part, auxiliary anti-oxidant (AT-626) 0.4 weight part, auxiliary anti-oxidant (DSTP) 0.2 weight part, processing aid (EBS) 0.5 weight part.Taking polypropylene, thermoplastic elastomer by embodiment 5, add homogenizer medium speed containing functional group's graftomer, nucleator, modified polyorganosiloxane is 550rpm premix 4min.Then take the UV light absorber except toughener, to add rear homogenizer medium speed be release after 950rpm mixing 6min for photostabilizer, primary antioxidant, auxiliary antioxidant, processing aid.The material of the equal spoon of mixing is placed in twin screw extruder hopper and releases, toughener is imported by twin screw extruder upper inlet, the processing temperature of twin screw extruder: district's temperature 185 DEG C, two district's temperature are 195 DEG C, and three district's temperature are 210 DEG C, four district's temperature are 215 DEG C, five district's temperature are 220 DEG C, and six district's temperature are 215 DEG C, and seven district's temperature are 210 DEG C, eight district's temperature are 210 DEG C, and engine speed is 300 turns/min; Cool after extruding, air-dry, pelletizing and get final product.
Performance measured by embodiment 4 ~ 6 is as following table 2
Table 2
| Project | Testing method | Unit | Embodiment 4 | Embodiment 5 | Embodiment 6 |
| Notched Izod impact strength | ISO180-93 | KJ/m 2 | 10.4 | 9.6 | 10.0 |
| Tensile strength | ISO527-93 | MPa | 46 | 43 | 47 |
| Elongation at break | ISO527-93 | % | 6.0 | 5.7 | 6.1 |
| Flexural strength | ISO178-93 | MPa | 85 | 88 | 87 |
| Modulus in flexure | ISO178-93 | MPa | 3700 | 3450 | 3600 |
| Heat-drawn wire (0.46MPa) | ISO75-93 | ℃ | 140 | 142 | 141 |
| Surface gloss | ISO8254 | % | 67 | 66 | 70 |
| Volume specific resistance | IEC60093 | Ω.cm | 10 16 | 10 16 | 10 16 |
| Thermo-oxidative ageing stretching strength retentivity | 150℃168h | % | 90 | 91 | 90 |
| Thermo-oxidative ageing flexural strength conservation rate | 150℃168h | % | 89 | 84 | 87 |
Comparative example 1
Polypropylene (S1004, EPC30R) 58.8 weight part, thermoplastic elastic (8200) 5 weight part, toughener (T738) 25 weight part, containing functional group's graftomer (CPZ3005) 4 weight part, nucleator (NA-21) 0.5 weight part, UV light absorber (326) 0.3 weight part, primary antioxidant (AT-76) 0.2 weight part, auxiliary anti-oxidant (AT-626) 0.4 weight part, processing aid (EBS) 0.5 weight part.
Taking polypropylene, thermoplastic elastomer by embodiment 5, add homogenizer medium speed containing functional group's graftomer, nucleator, modified polyorganosiloxane is 550rpm premix 4min.Then take the UV light absorber except toughener, to add rear homogenizer medium speed be release after 950rpm mixing 6min for photostabilizer, primary antioxidant, auxiliary antioxidant, processing aid.The material of the equal spoon of mixing is placed in twin screw extruder hopper and releases, toughener is imported by twin screw extruder upper inlet, the processing temperature of twin screw extruder: district's temperature 185 DEG C, two district's temperature are 195 DEG C, and three district's temperature are 210 DEG C, four district's temperature are 215 DEG C, five district's temperature are 220 DEG C, and six district's temperature are 215 DEG C, and seven district's temperature are 210 DEG C, eight district's temperature are 210 DEG C, and engine speed is 300 turns/min; Cool after extruding, air-dry, pelletizing and get final product.
Comparative example 2
Polypropylene (M1100, EPC30R) 58.8 weight part, thermoplastic elastic (8200) 5 weight part, toughener (T738) 25 weight part, containing functional group's graftomer (CPZ3005) 4 weight part, nucleator (NA-21) 0.5 weight part, UV light absorber (326) 0.3 weight part, primary antioxidant (AT-76) 0.2 weight part, auxiliary anti-oxidant (DSTP) 0.2 weight part, processing aid (EBS) 0.5 weight part.Taking polypropylene, thermoplastic elastomer by embodiment 5, add homogenizer medium speed containing functional group's graftomer, nucleator, modified polyorganosiloxane is 550rpm premix 4min.Then take the UV light absorber except toughener, to add rear homogenizer medium speed be release after 950rpm mixing 6min for photostabilizer, primary antioxidant, auxiliary antioxidant, processing aid.The material of the equal spoon of mixing is placed in twin screw extruder hopper and releases, toughener is imported by twin screw extruder upper inlet, the processing temperature of twin screw extruder: district's temperature 185 DEG C, two district's temperature are 195 DEG C, and three district's temperature are 210 DEG C, four district's temperature are 215 DEG C, five district's temperature are 220 DEG C, and six district's temperature are 215 DEG C, and seven district's temperature are 210 DEG C, eight district's temperature are 210 DEG C, and engine speed is 300 turns/min; Cool after extruding, air-dry, pelletizing and get final product.
Comparative example 3
Polypropylene (M500, EPC30R) 58.8 weight part, thermoplastic elastic (8200) 5 weight part, toughener (T738) 25 weight part, containing functional group's graftomer (CPZ3005) 4 weight part, nucleator (NA-21) 0.5 weight part, photostabilizer (944) 0.1 weight part, primary antioxidant (AT-76) 0.2 weight part, auxiliary anti-oxidant (AT-626) 0.4 weight part, processing aid (EBS) 0.5 weight part.Taking polypropylene, thermoplastic elastomer by embodiment 4, add homogenizer medium speed containing functional group's graftomer, nucleator, modified polyorganosiloxane is 550rpm premix 4min.Then take the UV light absorber except toughener, to add rear homogenizer medium speed be release after 950rpm mixing 6min for photostabilizer, primary antioxidant, auxiliary antioxidant, processing aid.The material of the equal spoon of mixing is placed in twin screw extruder hopper and releases, toughener is imported by twin screw extruder upper inlet, the processing temperature of twin screw extruder: district's temperature 185 DEG C, two district's temperature are 195 DEG C, and three district's temperature are 210 DEG C, four district's temperature are 215 DEG C, five district's temperature are 220 DEG C, and six district's temperature are 215 DEG C, and seven district's temperature are 210 DEG C, eight district's temperature are 210 DEG C, and engine speed is 300 turns/min; Cool after extruding, air-dry, pelletizing and get final product.
Performance measured by comparative example 1 ~ 3 is as following table 3.
Table 4
| Project | Testing method | Unit | Comparative example 1 | Comparative example 2 | Comparative example 3 |
| Notched Izod impact strength | ISO180-93 | KJ/m 2 | 9.9 | 9.8 | 10.4 |
| Tensile strength | ISO527-93 | MPa | 45 | 44 | 42 |
| Elongation at break | ISO527-93 | % | 5.9 | 5.8 | 6.2 |
| Flexural strength | ISO178-93 | MPa | 80 | 78 | 82 |
| Modulus in flexure | ISO178-93 | MPa | 3200 | 3100 | 3300 |
| Heat-drawn wire (0.46MPa) | ISO75-93 | ℃ | 139 | 140 | 1138 |
| Surface gloss | ISO8254 | % | 56 | 59 | 55 |
| Volume specific resistance | IEC60093 | Ω.cm | 10 16 | 10 16 | 10 16 |
| Thermo-oxidative ageing stretching strength retentivity | 150℃168h | % | 77 | 79 | 77 |
| Thermo-oxidative ageing flexural strength conservation rate | 150℃168h | % | 72 | 71 | 75 |
The PP plastic special for optical fiber junction box flat appearance that embodiments of the invention 1 ~ 8 obtain, still has good surface luster under containing the condition of glass fibre, physical strength is high and ageing-resistant, electrical insulation properties good, is easy to forming process, with low cost.
Claims (3)
1. a plastic special for optical fiber junction box, is made up of the component of following weight part:
Wherein, described thermoplastic elastomer is one or more in ethylene-octene copolymer elastomer, Ethylene-Propylene-Diene terpolymer elastomerics, styrene-butadiene-styrene block copolymer elastomer, ethylene-vinyl acetate c elastomerics;
Described is one or more in maleic anhydride inoculated polypropylene, acrylic acid-grafted polypropylene, glycidyl methacrylate graft polypropylene, maleic anhydride grafted polyethylene, acrylic acid-grafted polyethylene containing functional group's graftomer;
Described primary antioxidant is 1,3,5-trimethylammonium-2,4,6-tri-(3,5-di-tert-butyl-4-hydroxyl benzyl) benzene, 1,1, one or more in 3-tri-(2-methyl-4-hydroxyl-5-tert-butyl-phenyl) butane, β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid octadecyl ester, four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester;
Described auxiliary antioxidant is thiodipropionic acid dilauryl cinnamic acid ester, thio-2 acid 2 stearyl ester, three (nonyl is for phenyl) phosphorous acid ester, (2,4-di-tert-butyl-phenyl) tris phosphite, one or more in two (2,4-di-tert-butyl-phenyl) pentaerythritol diphosphites;
Described modified polyorganosiloxane is one or more in amino modified polysiloxane, epoxy-modified polysiloxane, methylpropenyl modified polyorganosiloxane;
The homo-polypropylene of described polypropylene to be melt flow rate (MFR) be 5 ~ 15g/10min and melt flow rate (MFR) are one or more in the Co-polypropylene of 3 ~ 12g/10min;
Described photostabilizer is sebacic acid two 2,2,6,6-tetramethyl piperidine alcohol ester, poly-[1-(2-hydroxyethyl)-2,2,6,6-tetramethyl--4-hydroxy piperidine butanediol ester], poly-{ [6-[(1,1,3,3-tetramethyl butyl)-imino-]-1,3,5-triazine-2,4-bis-base] [2-(2,2,6,6-tetramethyl-piperidyl)-imino--hexa-methylene-[4-(2,2,6,6-tetramethyl-sends pyridine base)-imino-]] in one or more;
Other processing aid described is one or more in ethylene bis stearic acid amide, the two amine hydroxybenzene of ethylene, ethylene dilaurate acid amides.
2. plastics according to claim 1, it is characterized in that, described nucleator is 2,2-methylene radical-two (4,6-di-n-butyl phenol) phosphoric acid salt, methylene-bis (2,4-di-tert-butyl-phenyl) phosphoric acid salt, n-butylbenzoic acid salt, two (to ethyl benzal) sorbyl alcohol, DMDBS, one or more in dehydroabietic acid an alkali metal salt.
3. plastics according to claim 2, it is characterized in that, described UV light absorber is one or more in 2-(2-hydroxyl-3,5-di-t-butyl) the chloro-benzotriazole of-5-, 2-(the 2-hydroxyl-3-tertiary butyl-5-methyl) the chloro-benzotriazole of-5-, 2-(2-hydroxyl-3,5-di-t-butyl)-benzotriazole, 2 – Qiang Ji – 4 – oxy-octyl benzophenones.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102003922A CN102276915B (en) | 2011-07-18 | 2011-07-18 | Plastic special for optical fiber junction box and preparation method thereof |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011102003922A Division CN102276915B (en) | 2011-07-18 | 2011-07-18 | Plastic special for optical fiber junction box and preparation method thereof |
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| CN103450565A CN103450565A (en) | 2013-12-18 |
| CN103450565B true CN103450565B (en) | 2015-07-29 |
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| CN201210302529.XA Expired - Fee Related CN103509250B (en) | 2011-07-18 | 2011-07-18 | A kind of plastic special for optical fiber junction box |
| CN2011102003922A Expired - Fee Related CN102276915B (en) | 2011-07-18 | 2011-07-18 | Plastic special for optical fiber junction box and preparation method thereof |
| CN201210302504.XA Expired - Fee Related CN103509249B (en) | 2011-07-18 | 2011-07-18 | A kind of plastic special for optical fiber junction box |
| CN201210302374.XA Expired - Fee Related CN103509243B (en) | 2011-07-18 | 2011-07-18 | A kind of plastic special for optical fiber junction box |
| CN201210303298.4A Expired - Fee Related CN103450565B (en) | 2011-07-18 | 2011-07-18 | A kind of plastic special for optical fiber junction box |
| CN201210303299.9A Expired - Fee Related CN103450555B (en) | 2011-07-18 | 2011-07-18 | A kind of plastic special for optical fiber junction box |
| CN201210302549.7A Expired - Fee Related CN103509251B (en) | 2011-07-18 | 2011-07-18 | A kind of plastic special for optical fiber junction box |
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| CN201210302529.XA Expired - Fee Related CN103509250B (en) | 2011-07-18 | 2011-07-18 | A kind of plastic special for optical fiber junction box |
| CN2011102003922A Expired - Fee Related CN102276915B (en) | 2011-07-18 | 2011-07-18 | Plastic special for optical fiber junction box and preparation method thereof |
| CN201210302504.XA Expired - Fee Related CN103509249B (en) | 2011-07-18 | 2011-07-18 | A kind of plastic special for optical fiber junction box |
| CN201210302374.XA Expired - Fee Related CN103509243B (en) | 2011-07-18 | 2011-07-18 | A kind of plastic special for optical fiber junction box |
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| CN201210302549.7A Expired - Fee Related CN103509251B (en) | 2011-07-18 | 2011-07-18 | A kind of plastic special for optical fiber junction box |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103951890B (en) * | 2012-02-28 | 2016-05-18 | 昆明普尔顿环保科技股份有限公司 | Joint for plastic tube |
| CN102583929B (en) * | 2012-02-29 | 2014-03-05 | 昆明普尔顿环保科技股份有限公司 | Plastic septic tank |
| CN102816386A (en) * | 2012-09-14 | 2012-12-12 | 苏州谷力生物科技有限公司 | High-flowability thermoplastic elastomer and preparation method thereof |
| CN103232632B (en) * | 2013-01-09 | 2016-03-30 | 金发科技股份有限公司 | Polypropylene composite, preparation method and application thereof |
| CN103483679A (en) * | 2013-09-24 | 2014-01-01 | 吴江市董鑫塑料包装厂 | Polypropylene hollow cosmetic packaging bottle |
| CN103910906A (en) * | 2014-04-03 | 2014-07-09 | 广东华声电器股份有限公司 | Composite weather-proof agent and preparation method thereof |
| CN104004272A (en) * | 2014-06-20 | 2014-08-27 | 江苏兆鋆新材料股份有限公司 | Modified polypropylene composite material and preparation method thereof |
| CN105086064A (en) * | 2015-08-12 | 2015-11-25 | 杨栩楷 | EPM composite and preparation method thereof |
| CN105331048A (en) * | 2015-11-17 | 2016-02-17 | 安徽正华电气有限公司 | Production technology of explosion-proof plastic junction box |
| CN105504520A (en) * | 2016-01-28 | 2016-04-20 | 苏州润佳工程塑料股份有限公司 | Polypropylene composition soft in touch sense and low in glossiness |
| CN106916358A (en) * | 2017-04-12 | 2017-07-04 | 浙江胜钢新材料有限公司 | A kind of high durable flowing glass dipping Polyolefin Formation high and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2594361B2 (en) * | 1989-09-14 | 1997-03-26 | 株式会社トクヤマ | Polypropylene composition |
| BE1007187A3 (en) * | 1993-06-24 | 1995-04-18 | Solvay | Composition based polymer olefinic shaped object and from the same. |
| KR100236489B1 (en) * | 1997-12-12 | 2000-01-15 | 이영일 | Polypropylene-based resin composition having releasability |
| CN1580115A (en) * | 2003-08-01 | 2005-02-16 | 上海普利特复合材料有限公司 | Scratch-resistance French white filled polypropylene composition and its preparing method |
| CN1631960A (en) * | 2004-11-30 | 2005-06-29 | 上海普利特复合材料有限公司 | Talc powder filled polypropylene with high rigidity, high toughness and high scratch resistance and method for preparing same |
| CN1916067A (en) * | 2006-09-07 | 2007-02-21 | 浙江俊尔新材料有限公司 | Modified, weather resisting polypropylene material |
| CN101693777B (en) * | 2009-09-18 | 2011-08-24 | 苏州禾盛新型材料股份有限公司 | Material for vehicle bumper and preparation method thereof |
| CN102030943B (en) * | 2009-09-25 | 2012-07-18 | 中国石油化工股份有限公司 | Polypropylene composition and preparation method thereof |
| CN102040766A (en) * | 2009-10-22 | 2011-05-04 | 上海日之升新技术发展有限公司 | Low-odor scratch-resistant ore filled polypropylene compound and preparation method thereof |
| CN101698726A (en) * | 2009-11-04 | 2010-04-28 | 苏州旭光聚合物有限公司 | Scratch-resistant modified polypropylene composite material and preparation method thereof |
| CN101798424A (en) * | 2010-03-25 | 2010-08-11 | 从化市聚赛龙工程塑料有限公司 | Easy cleaning household electrical appliance special material and preparation method thereof |
| CN101798423A (en) * | 2010-03-25 | 2010-08-11 | 从化市聚赛龙工程塑料有限公司 | Modified composite material with waste polypropylene plastic as raw material and preparation method thereof |
| CN101781421A (en) * | 2010-03-25 | 2010-07-21 | 从化市聚赛龙工程塑料有限公司 | Permanent easily-cleaned dedicated material for home appliances and preparation method thereof |
| CN101864115B (en) * | 2010-06-03 | 2012-06-06 | 浙江俊尔新材料有限公司 | Scratch resistant and shock proof propylene-ethylene block copolymerization polypropylene modified material |
| CN102120850B (en) * | 2011-02-18 | 2012-07-25 | 金发科技股份有限公司 | Low-diffusion polypropylene composition and preparation method thereof |
-
2011
- 2011-07-18 CN CN201210302529.XA patent/CN103509250B/en not_active Expired - Fee Related
- 2011-07-18 CN CN2011102003922A patent/CN102276915B/en not_active Expired - Fee Related
- 2011-07-18 CN CN201210302504.XA patent/CN103509249B/en not_active Expired - Fee Related
- 2011-07-18 CN CN201210302374.XA patent/CN103509243B/en not_active Expired - Fee Related
- 2011-07-18 CN CN201210303298.4A patent/CN103450565B/en not_active Expired - Fee Related
- 2011-07-18 CN CN201210303299.9A patent/CN103450555B/en not_active Expired - Fee Related
- 2011-07-18 CN CN201210302549.7A patent/CN103509251B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN103509243B (en) | 2016-01-20 |
| CN102276915B (en) | 2013-03-20 |
| CN103509250B (en) | 2015-12-02 |
| CN103509250A (en) | 2014-01-15 |
| CN103450555B (en) | 2015-08-19 |
| CN103509243A (en) | 2014-01-15 |
| CN103509251A (en) | 2014-01-15 |
| CN103509249A (en) | 2014-01-15 |
| CN103450555A (en) | 2013-12-18 |
| CN103509249B (en) | 2016-01-20 |
| CN103450565A (en) | 2013-12-18 |
| CN103509251B (en) | 2015-12-09 |
| CN102276915A (en) | 2011-12-14 |
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