CN104672700B - Polyvinyl chloride material and preparation method thereof - Google Patents

Polyvinyl chloride material and preparation method thereof Download PDF

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Publication number
CN104672700B
CN104672700B CN201510056564.1A CN201510056564A CN104672700B CN 104672700 B CN104672700 B CN 104672700B CN 201510056564 A CN201510056564 A CN 201510056564A CN 104672700 B CN104672700 B CN 104672700B
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temperature
antioxidant
area
screw extruder
pvc material
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CN104672700A (en
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葛卫平
陈宗美
王维根
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Nanjing Valley Intellectual Property Service Co., Ltd.
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Nanjing Valley Intellectual Property Service Co Ltd
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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
    • C08L27/00—Compositions 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
    • C08L27/02—Compositions 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
    • C08L27/04—Compositions 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
    • C08L27/06—Homopolymers or copolymers of vinyl chloride
    • 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
    • B29C2948/92704—Temperature
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/06—Properties of polyethylene
    • C08L2207/066—LDPE (radical process)

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

Abstract

The invention discloses a polyvinyl chloride material and preparation method thereof. The polyvinyl chloride material comprises the following components in part by weight: 78-90 parts of polyvinyl chloride, 12-20 parts of low-density polyethylene, 1.5-3 parts of humic acid, 2-4 parts of a compatilizer, 8-12 parts of calcite, 1.5-2.5 parts of bis (trimethylisily) urea and 0.05-1 part of an antioxidant. The invention further provides a preparation method of the polyvinyl chloride material. The method comprises the following steps: adding above components in a high-speed mixer, uniformly mixing, adding in a dual-screw extruder, adding humic acid in a feeding port at one side of the dual-screw extruder, extruding, drying, and pelleting to obtain the polyvinyl chloride material.

Description

A kind of pvc material and preparation method thereof
Technical field
The invention belongs to polymeric material field, particularly to a kind of pvc material and preparation method thereof.
Background technology
Polrvinyl chloride abbreviation PVC, is a kind of thermoplastic resin.Polrvinyl chloride is the white powder of impalpable structure, branched Degree is less, and average molecular mass is in the range of 5-12 ten thousand.Polrvinyl chloride can react system by ethylene, chlorine under catalysts conditions Become.Due to the effect of its fireproofing and heat resistant, polrvinyl chloride is widely used in all trades and professions product of all kinds.
The preparation method of polrvinyl chloride mainly has suspension polymerization, emulsion polymerization, mass polymerization, solution polymerization process, Wherein, suspension polymerization because its yield higher because becoming topmost preparation method.
Polrvinyl chloride is very hard, has preferable mechanical performance, all stable to organic and mineral acid, alkali, salt, but to light and The less stable of heat, under the irradiation of long sunlight and higher temperature, easily decomposes and produces hydrogen chloride, properties therewith Also decline rapidly.
Disclose a kind of energy-saving electric wire parcel coating in patent CN201310267112.9, including polrvinyl chloride, plasticizer, The components such as linear low density polyethylene, white oil, toughener, compatilizer are made, prepared material reduce more environmentally-friendly, but should Material is performed poor in terms of aging resistance and weatherability.
Content of the invention
For above-mentioned demand, invention especially provides a kind of pvc material and preparation method thereof.This polychlorostyrene second Alkene material can be used for preparing all kinds of sheet materials, tubing, wire outer skin, packing box etc..
The purpose of the present invention can be achieved through the following technical solutions：
A kind of pvc material, is made up of the component comprising following weight portion：
Polrvinyl chloride 78-90 part,
Low Density Polyethylene 12-20 part,
Humic acid 1.5-3 part,
Compatilizer 2-4 part,
Calcite 8-12 part,
Hexamethyl two silicon urea 1.5-2.5 part,
Antioxidant 0.05-1 part.
Described compatilizer is selected from maleic anhydride grafted polyethylene, maleic anhydride inoculated polypropylene and maleic anhydride and is grafted poly- fourth The mixing of one or more of alkene.
Described antioxidant is selected from one or more of irgasfos 168, antioxidant 1080, antioxidant 1076, antioxidant 264 Mixing.
A kind of preparation method of pvc material, the method comprises the following steps：
（1）Weigh polrvinyl chloride 78-90 part, Low Density Polyethylene 12-20 part, compatilizer 2-4 part, calcite 8-12 part, Hexamethyl two silicon urea 1.5-2.5 part and antioxidant 0.05-1 part；
（2）Said components are added mix homogeneously in homogenizer, adds extruding pelletization in double screw extruder, add Double screw extruder, adds humic acid 1.5-3 part, extrusion, dry, pelletizing in double screw extruder side loading mouth, is gathered Vinyl chloride material.
In described high-speed mixer, the rotating speed of mixing is 1150-1250 rev/min.
Described each section of temperature of double screw extruder be：One area's temperature 210-225 DEG C, two area's temperature 240-260 DEG C, three area's temperature 230-240 DEG C of degree, four area's temperature 210-220 DEG C.
Compared with prior art, its advantage is the present invention：
（1）The pvc material energy long period that the present invention is obtained is exposed to and still has under higher temperature and sunlight irradiation Good mechanical property and ageing resistace.
（2）The pvc material that the present invention is obtained has good mechanical property, has longer service life simultaneously With good stability.
（3）Pvc material its preparation method that the present invention is obtained simple it is easy to industrialized production.
Specific embodiment
The present invention is further illustrated with reference to embodiments.
Embodiment 1
（1）Weigh polrvinyl chloride 78kg, Low Density Polyethylene 12kg, maleic anhydride grafted polyethylene 2kg, calcite 8kg, Hexamethyl two silicon urea 1.5kg and 0.05kg irgasfos 168；
（2）Said components are added with 1150 revs/min of rotating speed mix homogeneously in homogenizer, adds twin screw to squeeze Go out extruding pelletization in machine, add double screw extruder, in double screw extruder side loading mouth, add humic acid 1.5kg, extrude, Dry, pelletizing, obtains pvc material；
Described each section of temperature of double screw extruder be：One 210 DEG C of area's temperature, two 240 DEG C of area's temperature, three 230 DEG C of area's temperature, Four 210 DEG C of area's temperature.
The performance test results of prepared pvc material are as shown in table 1.
Embodiment 2
（1）Weigh polrvinyl chloride 88kg, Low Density Polyethylene 12kg, maleic anhydride grafted polyethylene 2kg, calcite 8kg, Hexamethyl two silicon urea 1.5kg and 0.05kg antioxidant 1080；
（2）Said components are added with 1150 revs/min of rotating speed mix homogeneously in homogenizer, adds twin screw to squeeze Go out extruding pelletization in machine, add double screw extruder, in double screw extruder side loading mouth, add humic acid 1.5kg, extrude, Dry, pelletizing, obtains pvc material；
Described each section of temperature of double screw extruder be：One 210 DEG C of area's temperature, two 240 DEG C of area's temperature, three 230 DEG C of area's temperature, Four 210 DEG C of area's temperature.
The performance test results of prepared pvc material are as shown in table 1.
Embodiment 3
（1）Weigh polrvinyl chloride 90kg, Low Density Polyethylene 20kg, maleic anhydride inoculated polypropylene 4kg, calcite 12kg, hexamethyl two silicon urea 2.5kg and 1kg antioxidant 1076；
（2）Said components are added with 1250 revs/min of rotating speed mix homogeneously in homogenizer, adds twin screw to squeeze Go out extruding pelletization in machine, add double screw extruder, in double screw extruder side loading mouth, add humic acid 3kg, extrude, do Dry, pelletizing, obtains pvc material；
Described each section of temperature of double screw extruder be：One 225 DEG C of area's temperature, two 260 DEG C of area's temperature, three 240 DEG C of area's temperature, Four 220 DEG C of area's temperature.
The performance test results of prepared pvc material are as shown in table 1.
Embodiment 4
（1）Weigh polrvinyl chloride 90kg, Low Density Polyethylene 20kg, maleic anhydride grafting polybutene 4kg, calcite 12kg, hexamethyl two silicon urea 2kg and 1kg antioxidant 1076；
（2）Said components are added with 1200 revs/min of rotating speed mix homogeneously in homogenizer, adds twin screw to squeeze Go out extruding pelletization in machine, add double screw extruder, in double screw extruder side loading mouth, add humic acid 2kg, extrude, do Dry, pelletizing, obtains pvc material；
Described each section of temperature of double screw extruder be：One 225 DEG C of area's temperature, two 260 DEG C of area's temperature, three 240 DEG C of area's temperature, Four 220 DEG C of area's temperature.
The performance test results of prepared pvc material are as shown in table 1.
Embodiment 5
（1）Weigh polrvinyl chloride 86kg, Low Density Polyethylene 16kg, maleic anhydride grafting polybutene 2kg, calcite 10kg, hexamethyl two silicon urea 2kg and 0.5kg antioxidant 264；
（2）Said components are added with 1200 revs/min of rotating speed mix homogeneously in homogenizer, adds twin screw to squeeze Go out extruding pelletization in machine, add double screw extruder, in double screw extruder side loading mouth, add humic acid 2.5kg, extrude, Dry, pelletizing, obtains pvc material；
Described each section of temperature of double screw extruder be：One 210 DEG C of area's temperature, two 260 DEG C of area's temperature, three 230 DEG C of area's temperature, Four 210 DEG C of area's temperature.
The performance test results of prepared pvc material are as shown in table 1.
Comparative example
Weigh polrvinyl chloride 86kg, Low Density Polyethylene 16kg, maleic anhydride grafting polybutene 2kg and 0.5kg antioxidant 264, add with 1200 revs/min of rotating speed mix homogeneously in homogenizer, add extruding pelletization in double screw extruder, plus Enter double screw extruder, extrusion, dry, pelletizing, obtain master batch, wherein, each section of temperature of double screw extruder is：One area's temperature 210 DEG C, two 260 DEG C of area's temperature, three 230 DEG C of area's temperature, four 210 DEG C of area's temperature.
Table 1
Test event Embodiment 1 Embodiment 2 Embodiment 3 Embodiment 4 Embodiment 5 Comparative example
Impact strength（kJ/m2） 12 15 13 16 11 5
Tensile strength（MPa） 89 85 82 87 81 45
The invention is not restricted to embodiment here, those skilled in the art according to the announcement of the present invention, without departing from the present invention The improvement that category is made and modification all should be within protection scope of the present invention.

Claims (1)

1. a kind of pvc material is it is characterised in that be made up of the component comprising following weight portion：
Polrvinyl chloride 78-90 part,
Low Density Polyethylene 12-20 part,
Humic acid 1.5-3 part,
Compatilizer 2-4 part,
Calcite 8-12 part,
Hexamethyl two silicon urea 1.5-2.5 part,
Antioxidant 0.05-1 part；
Described compatilizer is selected from maleic anhydride grafted polyethylene, maleic anhydride inoculated polypropylene and maleic anhydride grafting polybutene The mixing of one or more；
Described antioxidant is selected from one or more of irgasfos 168, antioxidant 1080, antioxidant 1076, antioxidant 264 Mixing；
A kind of described pvc material is prepared by following preparation methoies：
（1）Weigh polrvinyl chloride 78-90 part, Low Density Polyethylene 12-20 part, compatilizer 2-4 part, calcite 8-12 part, Hexamethyl two silicon urea 1.5-2.5 part and antioxidant 0.05-1 part；
（2）Said components are added mix homogeneously in homogenizer, adds double screw extruder, add to twin-screw extrusion pusher side
Add humic acid 1.5-3 part, extrusion, dry, pelletizing in material mouth, obtain pvc material；
In described high-speed mixer, the rotating speed of mixing is 1150-1250 rev/min；
Described each section of temperature of double screw extruder be：One area's temperature 210-225 DEG C, two area's temperature 240-260 DEG C, three area's temperature 230-240 DEG C, four area's temperature 210-220 DEG C.
CN201510056564.1A 2015-02-04 2015-02-04 Polyvinyl chloride material and preparation method thereof Active CN104672700B (en)

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Application Number Priority Date Filing Date Title
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CN104672700B true CN104672700B (en) 2017-02-08

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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5248424A (en) * 1990-08-17 1993-09-28 Zenon Environmental Inc. Frameless array of hollow fiber membranes and method of maintaining clean fiber surfaces while filtering a substrate to withdraw a permeate
CN103160116A (en) * 2011-12-16 2013-06-19 合肥杰事杰新材料股份有限公司 Modified plastics and preparation method thereof
CN103819923A (en) * 2012-11-19 2014-05-28 罗世伟 Humic-acid silicic-acid biodegradable agricultural mulching film
CN104292600B (en) * 2014-09-22 2016-08-17 江西双佳科技发展有限公司 A kind of humic acids/EVA resin blending and modifying degradable solid-state mulch film
CN104277391B (en) * 2014-09-22 2016-08-17 江西双佳科技发展有限公司 A kind of humic acids/polyvinyl alcohol blending modified degradable solid-state mulch film

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Inventor after: Ge Weiping

Inventor after: Chen Zongmei

Inventor after: Wang Weigen

Inventor before: Ge Weiping

Inventor before: Chen Zongmei

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Effective date of registration: 20161010

Address after: 211111 Jiangsu Province, Nanjing Zijin (Jiangning) technology start-ups in particular communities (Jiangning District Mo Zhou Road No. 12)

Applicant after: Nanjing Valley Intellectual Property Service Co., Ltd.

Address before: Suzhou City, Jiangsu province 215000 Industrial Park Weiting Chunhui kuachun Industrial Road No. 5

Applicant before: Suzhou Kanghua Purifying System Engineering Co., Ltd.

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