CN107337909A - Modified plastic rubber and its manufacture method - Google Patents

Modified plastic rubber and its manufacture method Download PDF

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Publication number
CN107337909A
CN107337909A CN201611229521.XA CN201611229521A CN107337909A CN 107337909 A CN107337909 A CN 107337909A CN 201611229521 A CN201611229521 A CN 201611229521A CN 107337909 A CN107337909 A CN 107337909A
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CN
China
Prior art keywords
mass percent
shared
percent shared
plastic rubber
modified plastic
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201611229521.XA
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Chinese (zh)
Inventor
张文涛
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Shenzhen Xinhe Technology Co Ltd
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Shenzhen Xinhe Technology Co Ltd
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Priority to CN201611229521.XA priority Critical patent/CN107337909A/en
Publication of CN107337909A publication Critical patent/CN107337909A/en
Pending legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
    • C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92514—Pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention discloses a kind of modified plastic rubber, including polybutylene terephthalate (PBT), toughener, lubricant, compatilizer, reinforcing agent glass fibre, nano material, antioxidant and coupling agent, wherein, mass percent shared by the polybutylene terephthalate (PBT) is 55%~75%, mass percent shared by the toughener is 1%~1.5%, mass percent shared by the lubricant is 0.3%~0.5%, mass percent shared by the compatilizer is 1%~3%, mass percent 23%~40% shared by the reinforcing agent glass fibre, mass percent shared by the nano material is 0.2%~0.8%, mass percent shared by the antioxidant is 0.4%~0.8%, mass percent shared by the coupling agent is 1.0%~2.0%.Modified plastic rubber provided by the invention, overcome polybutylene terephthalate (PBT) notch sensitivity, molding shrinkage is low, and mechanical performance increases substantially, and stability is good.Invention additionally discloses a kind of manufacture method of modified plastic rubber.

Description

Modified plastic rubber and its manufacture method
Technical field
The present invention relates to field of material technology, specifically, is related to a kind of modified plastic rubber and its manufacture method.
Background technology
Polybutylene terephthalate (PBT) (PBT) has excellent combination property, as crystallinity is high, can rapid shaping, resistance to Hou Xing, coefficient of friction are low, heat distortion temperature is high, electrical properties is good, good mechanical performance, fatigue durability, can be with ultrasonic bonding Deng.But its notch impact strength is low, molding shrinkage is big, hydrolytic resistance is poor, is easily corroded by halogenated hydrocarbon.
The content of the invention
The purpose of the present invention is to provide a kind of modified plastic rubber.
Technical scheme is used by modified plastic rubber disclosed by the invention：A kind of modified plastic rubber, including poly terephthalic acid Butanediol ester, toughener, lubricant, compatilizer, reinforcing agent glass fibre, nano material, antioxidant and coupling agent, wherein, institute The mass percent stated shared by polybutylene terephthalate (PBT) is 55%~75%, and the mass percent shared by the toughener is 1%~1.5%, the mass percent shared by the lubricant is 0.3%~0.5%, and the mass percent shared by the compatilizer is 1%~3%, the mass percent 23%~40% shared by the reinforcing agent glass fibre, the quality percentage shared by the nano material Than for 0.2%~0.8%, the mass percent shared by the antioxidant is 0.4%~0.8%, the quality hundred shared by the coupling agent Divide than being 1.0%~2.0%.
Preferably, the toughener is the chemical combination of one or more of epoxy radicals, amino, the cruel base of isocyanic acid group Thing.
Preferably, the lubricant is pentaerythritol stearate.
Preferably, the compatilizer is methyl methacrylate (MMA), GMA Or ethyl acrylate (EA) terpolymer (GMA).
Preferably, the antioxidant is the compounding of phosphorous acid esters and bis phosphoric acid esters composition.
Preferably, the coupling agent is silane coupling agent.
Preferably, the mass percent shared by the polybutylene terephthalate (PBT) is 60%, the toughener Shared mass percent is 1%, and the percentage shared by the lubricant is 0.4%, the mass percent shared by the compatilizer For 2.7%, the mass percent shared by the reinforcing agent glass fibre is 33%, and the mass percent shared by the nano material is 0.6%, the mass percent shared by the antioxidant is 0.8%, and the mass percent shared by the coupling agent is 1.5%.
Preferably, the mass percent shared by the polybutylene terephthalate (PBT) is 65%, the toughener Shared mass percent is 1%, and the percentage shared by the lubricant is 0.4%, the mass percent shared by the compatilizer For 2%, the mass percent shared by the reinforcing agent glass fibre is 29%, and the mass percent shared by the nano material is 0.5%, the mass percent shared by the antioxidant is 0.8%, and the mass percent shared by the coupling agent is 1.3%.
Preferably, the mass percent shared by the polybutylene terephthalate (PBT) is 58%, the toughener Shared mass percent is 1%, and the percentage shared by the lubricant is 0.4%, the mass percent shared by the compatilizer For 3%, the mass percent shared by the reinforcing agent glass fibre is 35%, and the mass percent shared by the nano material is 0.6%, the mass percent shared by the antioxidant is 0.8%, and the mass percent shared by the coupling agent is 1.2%.
A kind of modified plastic rubber disclosed by the invention, overcomes polybutylene terephthalate (PBT) notch sensitivity, and shaping is received Shrinkage is low, and mechanical performance increases substantially, and stability is good.
Another object of the present invention is to disclose a kind of manufacture method of modified plastic rubber.
A kind of manufacture method of modified plastic rubber, it is characterised in that its step is as follows：
S1 dries polybutylene terephthalate (PBT) at 120 DEG C~140 DEG C, and nano material is done at 100 DEG C~110 DEG C It is dry, it is stand-by；
S2 weighs dry polybutylene terephthalate (PBT) and nano material by certain mass percent proportioning, adds at a high speed In blender, at the same add match by weight percent the glass fibre weighed, toughener, lubricant, compatilizer, coupling agent, Antioxidant, stirring, discharged after being sufficiently mixed uniformly；
S3 by mixed material be placed in double screw extruder and be sequentially completed melting, extrusion, be granulated, wherein, twin-screw one Area's temperature is 220~230 DEG C, and two area's temperature are 240~260 DEG C, and three area's temperature are 240~260 DEG C, and four area's temperature are 230 ~260 DEG C, five area's temperature are 230~250 DEG C, and six area's temperature are 230~250 DEG C, and seven area's temperature are 230~240 DEG C, eight area's temperature Spend for 220~250 DEG C, nine area's temperature are 230~240 DEG C, and head temperature is 240~260 DEG C, during stop of the material in barrel Between be two minutes, melt pressure 20MPa.
The beneficial effect of the manufacture method of modified plastic rubber disclosed by the invention is：Utilize remodeling plastic cement disclosed by the invention The modified plastic rubber that manufacture method produces, polybutylene terephthalate (PBT) notch sensitivity is overcome, molding shrinkage is low, machine Tool performance increases substantially, and stability is good.
Embodiment
Technical scheme is further illustrated with reference to specific case study on implementation.
Embodiment one：A kind of modified plastic rubber, the mass percent of each component are：
Polybutylene terephthalate (PBT) 60%；
Toughener 1%；
Lubricant 0.4%；
Compatilizer 2.7%；
Reinforcing agent glass fibre 33%；
Nano material 0.6%；
Antioxidant 0.8%；
Coupling agent 1.5%.
Embodiment two：A kind of modified plastic rubber, the mass percent of each component are：
Polybutylene terephthalate (PBT)（PBT） 65%；
Toughener 1%；
Lubricant 0.4%；
Compatilizer 2%；
Reinforcing agent glass fibre 29%；
Nano material 0.5%；
Antioxidant 0.8%；
Coupling agent 1.3%.
Embodiment three：A kind of modified plastic rubber, the mass percent of each component are：
Polybutylene terephthalate (PBT)（PBT） 58%；
Toughener 1%；
Lubricant 0.4%；
Compatilizer 3%；
Reinforcing agent glass fibre 35%；
Nano material 0.6%；
Antioxidant 0.8%；
Coupling agent 1.2%.
A kind of manufacture method of modified plastic rubber, its step are as follows：
S1 dries polybutylene terephthalate (PBT) at 120 DEG C -140 DEG C, and nano material is dried at 100 DEG C -110 DEG C, It is stand-by；
S2 weighs dry polybutylene terephthalate (PBT) and nano material by certain mass percent proportioning, adds at a high speed In blender, at the same add match by weight percent the glass fibre weighed, toughener, lubricant, compatilizer, coupling agent, Antioxidant, stir 10 minutes, after being sufficiently mixed uniformly, discharging；
S3 by mixed material be placed in double screw extruder and be sequentially completed melting, extrusion, be granulated, wherein, twin-screw one Area's temperature is 220 DEG C~230 DEG C, and two area's temperature are 240 DEG C~260 DEG C, and three area's temperature are 240 DEG C~260 DEG C, four area's temperature For 230 DEG C~260 DEG C, five area's temperature are 230 DEG C~250 DEG C, and six area's temperature are 230 DEG C~250 DEG C, and seven area's temperature are 230 DEG C ~240 DEG C, eight area's temperature are 220 DEG C~250 DEG C, and nine area's temperature are 230 DEG C~240 DEG C, and head temperature is 240 DEG C~260 DEG C, Residence time of the material in barrel is two minutes, melt pressure 20MPa.
The each component of certain number is weighed according to content in embodiment one, embodiment two and embodiment three, is changed using above-mentioned The manufacture method of property plastic cement makes three kinds of standard samples, tests its properties, test result such as following table：
As seen from the above table, the remodeling plastic cement that the manufacture method of modified plastic rubber provided by the invention is produced, excellent heat resistance are short Up to 200 DEG C, mechanical performance increases substantially for phase use, and tensile strength and bending strength improve 1-1.5 times, and modulus of elasticity improves 2 Times, good stability of the dimension overcomes PBT resin notch sensitivity, and molding shrinkage is low.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protected The limitation of scope is protected, although being explained with reference to preferred embodiment to the present invention, one of ordinary skill in the art should Work as understanding, technical scheme can be modified or equivalent substitution, without departing from the reality of technical solution of the present invention Matter and scope.

Claims (10)

  1. A kind of 1. modified plastic rubber, it is characterised in that including polybutylene terephthalate (PBT), toughener, lubricant, compatilizer, Reinforcing agent glass fibre, nano material, antioxidant and coupling agent, wherein, the matter shared by the polybutylene terephthalate (PBT) It is 55%~75% to measure percentage, and the mass percent shared by the toughener is 1%~1.5%, the quality shared by the lubricant Percentage is 0.3%~0.5%, and the mass percent shared by the compatilizer is 1%-3%, shared by the reinforcing agent glass fibre Mass percent 23%~40%, the mass percent shared by the nano material are 0.2%~0.8%, shared by the antioxidant Mass percent is 0.4%~0.8%, and the mass percent shared by the coupling agent is 1.0%~2.0%.
  2. 2. modified plastic rubber as claimed in claim 1, it is characterised in that the toughener is epoxy radicals, amino, the cruel base of isocyanic acid One or more of group compound.
  3. 3. modified plastic rubber as claimed in claim 1, it is characterised in that the lubricant is pentaerythritol stearate.
  4. 4. modified plastic rubber as claimed in claim 1, it is characterised in that the compatilizer is methyl methacrylate, methyl-prop Olefin(e) acid ethylene oxidic ester or ethyl acrylate terpolymer.
  5. 5. modified plastic rubber as claimed in claim 1, it is characterised in that the antioxidant is phosphorous acid esters and biphosphonate The mass ratio of the compounding of class composition, the phosphorous acid esters and bis phosphoric acid esters is 2：1.
  6. 6. modified plastic rubber as claimed in claim 1, it is characterised in that the coupling agent is silane coupling agent.
  7. 7. the modified plastic rubber as described in claim any one of 1-6, it is characterised in that the polybutylene terephthalate (PBT) institute The mass percent accounted for is 60%, and the mass percent shared by the toughener is 1%, and the percentage shared by the lubricant is 0.4%, the mass percent shared by the compatilizer is 2.7%, and the mass percent shared by the reinforcing agent glass fibre is 33%, the mass percent shared by the nano material is 0.6%, and the mass percent shared by the antioxidant is 0.8%, described Mass percent shared by coupling agent is 1.5%.
  8. 8. the modified plastic rubber as described in claim any one of 1-6, it is characterised in that the polybutylene terephthalate (PBT) institute The mass percent accounted for is 65%, and the mass percent shared by the toughener is 1%, and the percentage shared by the lubricant is 0.4%, the mass percent shared by the compatilizer is 2%, and the mass percent shared by the reinforcing agent glass fibre is 29%, Mass percent shared by the nano material is 0.5%, and the mass percent shared by the antioxidant is 0.8%, the coupling Mass percent shared by agent is 1.3%.
  9. 9. the modified plastic rubber as described in claim any one of 1-6, it is characterised in that the polybutylene terephthalate (PBT) institute The mass percent accounted for is 58%, and the mass percent shared by the toughener is 1%, and the percentage shared by the lubricant is 0.4%, the mass percent shared by the compatilizer is 3%, and the mass percent shared by the reinforcing agent glass fibre is 35%, Mass percent shared by the nano material is 0.6%, and the mass percent shared by the antioxidant is 0.8%, the coupling Mass percent shared by agent is 1.2%.
  10. 10. a kind of manufacture method of modified plastic rubber, it is characterised in that its step is as follows：
    S1 dries polybutylene terephthalate (PBT) at 120 DEG C~140 DEG C, and nano material is done at 100 DEG C~110 DEG C It is dry, it is stand-by；
    S2 weighs dry polybutylene terephthalate (PBT) and nano material by certain mass percent proportioning, adds at a high speed In blender, at the same add match by weight percent the glass fibre weighed, toughener, lubricant, compatilizer, coupling agent, Antioxidant, stirring, discharged after being sufficiently mixed uniformly；
    S3 by mixed material be placed in double screw extruder and be sequentially completed melting, extrusion, be granulated, wherein, twin-screw one Area's temperature is 220~230 DEG C, and two area's temperature are 240~260 DEG C, and three area's temperature are 240~260 DEG C, and four area's temperature are 230 ~260 DEG C, five area's temperature are 230~250 DEG C, and six area's temperature are 230~250 DEG C, and seven area's temperature are 230~240 DEG C, eight area's temperature Spend for 220~250 DEG C, nine area's temperature are 230~240 DEG C, and head temperature is 240~260 DEG C, during stop of the material in barrel Between be two minutes, melt pressure 20MPa.
CN201611229521.XA 2016-12-27 2016-12-27 Modified plastic rubber and its manufacture method Pending CN107337909A (en)

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CN201611229521.XA CN107337909A (en) 2016-12-27 2016-12-27 Modified plastic rubber and its manufacture method

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113248918A (en) * 2021-04-19 2021-08-13 深圳市博盛新材料有限公司 High-hardness corrosion-resistant modified plastic material and preparation method thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105331055A (en) * 2015-10-26 2016-02-17 深圳市兴盛迪新材料有限公司 PBT composite material used for NMT forming and preparation method thereof

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105331055A (en) * 2015-10-26 2016-02-17 深圳市兴盛迪新材料有限公司 PBT composite material used for NMT forming and preparation method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113248918A (en) * 2021-04-19 2021-08-13 深圳市博盛新材料有限公司 High-hardness corrosion-resistant modified plastic material and preparation method thereof

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Application publication date: 20171110

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