CN106609017A - Special starch-coated glass fiber reinforced modified PVC pipe for coal mines and preparation method for PVC pipe - Google Patents

Special starch-coated glass fiber reinforced modified PVC pipe for coal mines and preparation method for PVC pipe Download PDF

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Publication number
CN106609017A
CN106609017A CN201611165896.4A CN201611165896A CN106609017A CN 106609017 A CN106609017 A CN 106609017A CN 201611165896 A CN201611165896 A CN 201611165896A CN 106609017 A CN106609017 A CN 106609017A
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China
Prior art keywords
parts
pvc pipe
starch
stuff
hours
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CN201611165896.4A
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Chinese (zh)
Inventor
吴跃强
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ANHUI HUAYU PIPELINE MANUFACTURING Co Ltd
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ANHUI HUAYU PIPELINE MANUFACTURING Co Ltd
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Priority to CN201611165896.4A priority Critical patent/CN106609017A/en
Publication of CN106609017A publication Critical patent/CN106609017A/en
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
    • C08L27/02Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/04Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08L27/06Homopolymers or copolymers of vinyl chloride
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/011Nanostructured additives
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/08Stabilised against heat, light or radiation or oxydation
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00Applications
    • C08L2203/18Applications used for pipes

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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)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention discloses a special starch-coated glass fiber reinforced modified PVC pipe for coal mines. The PVC pipe is prepared from the following raw materials in parts by weight: 100 parts of PVC resin, 13-15 parts of nylon 66 granules, 15-16 parts of glass fibers, 4-6 parts of starch, 1-2 parts of stearic acid, 2.1-2.5 parts of nano antimony oxide, 0.4-0.5 part of anhydrous magnesium chloride, 21-23 parts of wood ash, 2-4 parts of dioctyl sebacate, 3.4-4.3 parts of erbium oxide, 1.5-1.8 parts of piperine, 5.3-5.8 parts of aminopropyl triethoxysilane and a proper volume of water. According to the PVC pipe, surfaces of the glass fibers are coated with the starch through aminopropyl triethoxysilane coupling so as to obtain a reinforcing material, the wood ash is subjected to modification treatment by erbium oxide and nano antimony oxide so as to serve as modified filler, and other effective auxiliaries are added in a compatible manner so as to prepare the PVC pipe; the PVC pipe is applied to coal mine environments and has the advantages of wear resistance, heat resistance and corrosion resistance; the method is convenient in operation and is energy-saving and environmentally friendly.

Description

A kind of glass fibre reinforced modified coal mine special PVC pipe of starch coated and its system Make method
Technical field
The present invention relates to PVC and preparation method thereof technical field, more particularly to a kind of increasing of starch coated glass fibre Strong modified coal mine special PVC pipe and preparation method thereof.
Background technology
Polrvinyl chloride(PVC)Resin be thermoplastic resin most widely used in our daily life, that consumption is maximum it One, it has lightweight, good insulating, difficult to burn, strong mechanical performance, cheap, abundant raw material source, manufacturing process maturation etc. Feature, thus be used widely in the fields such as coal mine pipes for mining material.However, its rushing of also having that some are difficult to overcome Hit poor performance, the shortcomings of heat stability is not good enough, in order to overcome many scholars of the disadvantages described above of polrvinyl chloride in PVC toughening modifying sides Face has carried out substantial amounts of research, and current glass fibre has been progressed in the visual field of PVC study on the modification persons, such as document《Glass The preparation and performance study of fiber/polyvinyl chloride composite materials》Glass fibre/PVC is prepared for using injection molding method(Polychlorostyrene second Alkene)Composite.Result of study shows:When molding penetrate pressure for 130MPa, pressurize be 100MPa, back pressure be 0.5MPa, molding temperature It is 100 DEG C and w to spend for 420 DEG C, mold temperature(Glass fibre)=15%(For composite quality)When, composite Combination property it is relatively best, its tensile strength(77.4MPa)And shear strength(57.4MPa)Relative maximum, and product table The smooth color in face is normal, and the pure PVC of bending strength ratio improves 68.4%.
It is well known that colliery is a special working environment, dark, moist, narrow space has falling rocks sometimes, this Being accomplished by PVC will not only have enough impact strengths, also there is the property such as antistatic, fire-retardant, wear-resisting, antibacterial, anti-corrosive properties Energy.Yet with polrvinyl chloride high-insulation, its sheet resistance is up to 1014 Ω or so, and this insulating properties usually make polychlorostyrene second Alkene manufactured goods produce electrostatic and easily cause blast accident during production, accumulating, use, and antistatic is not carried out in document It is modified, in addition due to glass fibre and polrvinyl chloride poor compatibility, the shock resistance of obtained polyvinyl chloride composite materials in document Property, shear strength, tensile strength etc. cannot meet the technical specification of coal mine pipes for mining requirement, and wear-resisting, antibacterial, anti-corrosive properties compared with Difference, disadvantages described above limits popularization and application of the polrvinyl chloride in underground coal mine.To improve disadvantages described above, need to existing production work Skill and formula proportion are improved, and have the advantages that tensile strength height, antistatic, wear-resisting, Antimicrobial preservative are ageing-resistant to prepare The mining effective modified polyvinyl chloride of underground coal mine.
The content of the invention
The object of the invention is exactly to make up the defect of prior art, there is provided a kind of starch coated is glass fibre reinforced modified Coal mine special PVC pipe and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of glass fibre reinforced modified coal mine special PVC pipe of starch coated, is prepared by the raw materials in:PVC Resin 100, nylon66 fiber granule 13-15, glass fibre 15-16, starch 4-6, stearic acid 1-2, nanometer antimony oxide 2.1-2.5, nothing Aqueous magnesium chloride 0.4-0.5, tree ash 21-23, di-n-octyl sebacate 2-4, Erbia 3.4-4.3, piperine 1.5-1.8, ammonia Propyl-triethoxysilicane 5.3-5.8, appropriate amount of water.
A kind of manufacture method of the glass fibre reinforced modified coal mine special PVC pipe of described starch coated, including with Lower step:
(1)Starch is added into suitable quantity of water heated and boiled gelatinizing, 50-60 DEG C is cooled to and is added aminopropyl triethoxysilane, Fructus Piperiss Alkali ultrasonic disperse forms dispersion liquid, adds glass fiber impregnated 10-12 hours, through baking the glass for obtaining starch coated after taking-up Glass fiber;
(2)Anhydrous magnesium chloride is dissolved in into water and is configured to the solution that mass fraction is 3-5%, add tree ash dipping 8-10 hours Filtering drying, adds Erbia, nanometer antimony oxide to mix in 860-930 DEG C of roasting 1-2 hour, and cooling adds di-n-octyl sebacate Ball milling 2-3 hours in ball mill are put into, the tree ash that must be modified is dried;
(3)Polyvinyl chloride resin is put in drying baker and processes 6-8 hours in 110-115 DEG C, sealing preserve is standby;
(4)By step(3)In material input double screw extruder, nylon66 fiber granule, step are added(1)、(2)Material and other are surplus Simultaneously pelletize obtains stuff and other stuff for remaining components fuse blending;
(5)Finally by step(4)Stuff and other stuff is put into injection mo(u)lding in plastic injection molding machine, discharging.
It is an advantage of the invention that:Starch Jing aminopropyl triethoxysilanes are coupled and are coated on fiberglass surfacing by the present invention It is added in raw material as reinforcing material, on the one hand improves the compatibility of the glass fibre in PVC matrix, on the other hand, when During external impacts, the impulsive force that PVC matrix is subject to is transferred to be undertaken on glass fibre and by it, causes glass fibre Fracture absorbs substantial amounts of energy from PVC matrix, so as to reach the purpose of toughness reinforcing;Simultaneously the present invention is also by tree ash Jing oxygen Change erbium, nanometer antimony oxide modification to be added in raw material as modified filler, improve the toughness and anti-wear performance of product, then Compatibility adds other pvc pipes obtained in effective auxiliary agent in the well environment of colliery, with wear-resisting, heat-resisting, corrosion resistant advantage, and The method is easy to operate, energy-conserving and environment-protective.
Specific embodiment
A kind of glass fibre reinforced modified coal mine special PVC pipe of starch coated, is prepared by the raw materials in: Polyvinyl chloride resin 100, nylon66 fiber granule 13, glass fibre 15, starch 4, stearic acid 1, nanometer antimony oxide 2.1, anhydrous magnesium chloride 0.4, Tree ash 21, di-n-octyl sebacate 2, Erbia 3.4, piperine 1.5, aminopropyl triethoxysilane 5.3, appropriate amount of water.
A kind of manufacture method of the glass fibre reinforced modified coal mine special PVC pipe of described starch coated, including with Lower step:
(1)Starch is added into suitable quantity of water heated and boiled gelatinizing, 50-60 DEG C is cooled to and is added aminopropyl triethoxysilane, Fructus Piperiss Alkali ultrasonic disperse forms dispersion liquid, adds glass fiber impregnated 10-12 hours, through baking the glass for obtaining starch coated after taking-up Glass fiber;
(2)Anhydrous magnesium chloride is dissolved in into water and is configured to the solution that mass fraction is 3-5%, add tree ash dipping 8-10 hours Filtering drying, adds Erbia, nanometer antimony oxide to mix in 860-930 DEG C of roasting 1-2 hour, and cooling adds di-n-octyl sebacate Ball milling 2-3 hours in ball mill are put into, the tree ash that must be modified is dried;
(3)Polyvinyl chloride resin is put in drying baker and processes 6-8 hours in 110-115 DEG C, sealing preserve is standby;
(4)By step(3)In material input double screw extruder, nylon66 fiber granule, step are added(1)、(2)Material and other are surplus Simultaneously pelletize obtains stuff and other stuff for remaining components fuse blending;
(5)Finally by step(4)Stuff and other stuff is put into injection mo(u)lding in plastic injection molding machine, discharging.
Using the surface of coal mine special PVC pipe obtained in the present invention is smooth and color normal, combination property is relatively best, Its tensile strength is 79.8 MPa;Shear strength is 58.7 MPa;The pure pvc pipe of bending strength ratio improves 69.8%.

Claims (2)

1. the glass fibre reinforced modified coal mine special PVC pipe of a kind of starch coated, it is characterised in that by following weight portion Raw material is made:It is polyvinyl chloride resin 100, nylon66 fiber granule 13-15, glass fibre 15-16, starch 4-6, stearic acid 1-2, nano oxidized Antimony 2.1-2.5, anhydrous magnesium chloride 0.4-0.5, tree ash 21-23, di-n-octyl sebacate 2-4, Erbia 3.4-4.3, Fructus Piperiss Alkali 1.5-1.8, aminopropyl triethoxysilane 5.3-5.8, appropriate amount of water.
2. the making of the glass fibre reinforced modified coal mine special PVC pipe of a kind of starch coated according to claim 1 Method, it is characterised in that comprise the following steps:
(1)Starch is added into suitable quantity of water heated and boiled gelatinizing, 50-60 DEG C is cooled to and is added aminopropyl triethoxysilane, Fructus Piperiss Alkali ultrasonic disperse forms dispersion liquid, adds glass fiber impregnated 10-12 hours, through baking the glass for obtaining starch coated after taking-up Glass fiber;
(2)Anhydrous magnesium chloride is dissolved in into water and is configured to the solution that mass fraction is 3-5%, add tree ash dipping 8-10 hours Filtering drying, adds Erbia, nanometer antimony oxide to mix in 860-930 DEG C of roasting 1-2 hour, and cooling adds di-n-octyl sebacate Ball milling 2-3 hours in ball mill are put into, the tree ash that must be modified is dried;
(3)Polyvinyl chloride resin is put in drying baker and processes 6-8 hours in 110-115 DEG C, sealing preserve is standby;
(4)By step(3)In material input double screw extruder, nylon66 fiber granule, step are added(1)、(2)Material and other are surplus Simultaneously pelletize obtains stuff and other stuff for remaining components fuse blending;
(5)Finally by step(4)Stuff and other stuff is put into injection mo(u)lding in plastic injection molding machine, discharging.
CN201611165896.4A 2016-12-16 2016-12-16 Special starch-coated glass fiber reinforced modified PVC pipe for coal mines and preparation method for PVC pipe Pending CN106609017A (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
CN201611165896.4A CN106609017A (en) 2016-12-16 2016-12-16 Special starch-coated glass fiber reinforced modified PVC pipe for coal mines and preparation method for PVC pipe

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109749288A (en) * 2017-11-03 2019-05-14 丹阳市贝尔特橡塑制品有限公司 A kind of environment-friendly type wear-resisting PVC pipe
CN111732776A (en) * 2020-07-04 2020-10-02 上海方之德新材料有限公司 High-hardness low-smoke halogen-free flame-retardant polyolefin cable material

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109749288A (en) * 2017-11-03 2019-05-14 丹阳市贝尔特橡塑制品有限公司 A kind of environment-friendly type wear-resisting PVC pipe
CN111732776A (en) * 2020-07-04 2020-10-02 上海方之德新材料有限公司 High-hardness low-smoke halogen-free flame-retardant polyolefin cable material
CN111732776B (en) * 2020-07-04 2023-02-10 上海方之德新材料有限公司 High-hardness low-smoke halogen-free flame-retardant polyolefin cable material

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Application publication date: 20170503

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