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CN106317642A - Preparation method of silver-grey antistatic type bubbling polypropylene beads - Google Patents

Preparation method of silver-grey antistatic type bubbling polypropylene beads Download PDF

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Publication number
CN106317642A
CN106317642A CN201610793446.3A CN201610793446A CN106317642A CN 106317642 A CN106317642 A CN 106317642A CN 201610793446 A CN201610793446 A CN 201610793446A CN 106317642 A CN106317642 A CN 106317642A
Authority
CN
China
Prior art keywords
preparation
silver
polypropylene beads
products
acrylic resin
Prior art date
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
CN201610793446.3A
Other languages
Chinese (zh)
Inventor
杨亮炯
熊业志
张晓龙
刘缓缓
曾佳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuxi Huitong Light Material Co Ltd
Original Assignee
Wuxi Huitong Light Material Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wuxi Huitong Light Material Co Ltd filed Critical Wuxi Huitong Light Material Co Ltd
Priority to CN201610793446.3A priority Critical patent/CN106317642A/en
Publication of CN106317642A publication Critical patent/CN106317642A/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
    • 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
    • C08L23/10—Homopolymers or copolymers of propene
    • C08L23/14—Copolymers of propene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/20—Compounding polymers with additives, e.g. colouring
    • C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
    • C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
    • C08J9/122—Hydrogen, oxygen, CO2, nitrogen or noble gases
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2203/00—Foams characterized by the expanding agent
    • C08J2203/06—CO2, N2 or noble gases
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/10—Homopolymers or copolymers of propene
    • C08J2323/14—Copolymers of propene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2423/10—Homopolymers or copolymers of propene
    • C08J2423/14—Copolymers of propene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/04—Antistatic
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/14—Applications used for foams
    • 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
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • 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
    • C08L2205/24—Crystallisation aids

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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)
  • Materials Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Abstract

The invention discloses a preparation method of silver-grey antistatic type bubbling polypropylene beads. The preparation method includes: formulating, mixing, wire drawing, grain-sized dicing and drying polypropylene, graphite and silver paste to prepare functional master batches; mixing, extruding, wire drawing and grain-sized dicing the polypropylene, a bubble nucleating agent, a lubricating agent and the functional master batches to prepare modified polypropylene particles; putting the modified polypropylene particles and water into a reaction kettle, and slowly increasing pressure and temperature in the kettle to the bubbling point prior to relieving pressure rapidly to obtain the required silver-grey bubbling polypropylene beads, wherein, mass concentration of the silver paste is preferably 50%-70%. The silver paste and the graphite are blended and formulated, conductivity of late products can be improved by adding a small amount of the blended and formulated silver paste and graphite, and long-term antistatic effect is achieved; the impact on mechanical properties of the system is reduced, overall appearance of the products is beautified, usability of the products does not have a lot of dependence function on environment humidity and temperature, use scope of the products is greatly increased, and service life of the products is greatly prolonged.

Description

A kind of preparation method of silver gray Antistatic type expanded polypropylene beads
Technical field
The present invention relates to a kind of expanded polypropylene beads, a kind of silver gray Antistatic type expanded polypropylene beads Preparation method.
Background technology
Developing rapidly along with manufacturing, people are more and more higher to the requirement of material, the low-density of foamed plastic, high-strength The features such as degree, good thermal conductivity, specific strength height, good penetrability, are gradually paid close attention to by people, be no matter packaging industry, Automobile space industry, or on living things catalysis material, have well application.PP foam material is with its higher mechanics Intensity, stability, heat-resist, the feature such as recycling capable of circulation, there is very important effect in foamed plastic field now. It is that last decade slowly grows up that supercritical gas foaming technique prepares PP foam material, and technology mainly rests in abroad In hands, domestic the most backward, and product category is single, functionalization degree is less.
Reduce the sheet resistance of expanded polypropylene product, it is possible to play the concentration evacuating article surface electronics, protect electronics Product is not injured by electrostatic.Relatively common method, is interpolation conductive black, CNT in the polypropylene course of processing Or amphiphilic macromolecular plays the effect of reduction system resistance, the former addition is higher, relatively costly, it is thus achieved that antistatic Expanded polypropylene beads only has black, rough surface, and product briquetting pressure also can increase, and mechanical property can be with conductive black Addition increase and reduce；The latter's antistatic effect is affected relatively big by ambient temperature, humidity, and range is limited and the life-span is past Toward the shortest.
Summary of the invention
The technical problem to be solved in the present invention is the method for the sheet resistance overcoming existing reduction expanded polypropylene product Cost is high, and antistatic effect is affected relatively big by ambient temperature, humidity, and the defect that range is limited and the life-span is the shortest carries Preparation method for a kind of silver gray Antistatic type expanded polypropylene beads.
In order to solve above-mentioned technical problem, the invention provides following technical scheme:
The preparation method of a kind of silver gray Antistatic type expanded polypropylene beads, comprises the following steps:
(1) acrylic resin, graphite, silver slurry are mixed with certain proportion, mixed by banbury, through double screw extruder Wire drawing, pelletizing are also dried, and prepare functional master batch, package spare；
(2) the functional master batch of acrylic resin, Nucleating Agent, lubricant and preparation is passed through single screw extrusion machine Mixing, extrusion, wire drawing, pelletizing, by screw speed and the pelletizing rotating speed of regulation extruder, the diameter of regulation microgranule, preparation Modified polypropene microgranule；
(3) the modified polypropene microgranule of preparation and water are put in reactor, heated with steam by supplementary carbon dioxide Mode, slowly improve pressure and temperature in still, pressure release rapidly to blow point, naturally expanding by particle, it is thus achieved that required The silver gray expanded polypropylene beads of different multiplying.
Further, described step 1) in silver slurry mass concentration be 50%-70%.
Further, described acrylic resin is binary or ternary atactic copolymerized polypropene resin.
Further, described acrylic resin is propylene and the random copolymer of ethylene or propylene with other monomers, poly-third In olefine resin, propylene content is more than 90%.
The inventive method uses the antistatic effect of silver and the compounding raising product of graphite；Same, that conduction power is strong gold Belong to powder such as aluminium powder, copper powder to can be provided for compounding with system, it is also possible to obtain the preferable goods of antistatic effect；
The present invention prepares the method for antistatic silver gray foaming product and the most also disposably can obtain with extrusion foaming anti-quiet Voltolisation propylene foaming product.
In conventional foams industry, by premix system white carbon black, the interpolation of CNT or amphipathic small molecules Add so that product surface resistance reduces, and plays anlistatig effect；And product product is short for service life, antistatic effect with White carbon black, CNT or amphipathic small molecules addition, product use ambient humidity and temperature to have much relations.
The present invention is blended compounding by silver slurry and graphite, prepares functional master batch and for gathering with acrylic resin for matrix In propylene foaming, a small amount of interpolation just can improve the conductive capability of later stage product, plays long-term anlistatig effect；And reduce Inorganic matter addition in system, reduces the impact on system mechanical property；Additionally, by the different proportion of silver with graphite Compounding, it is thus achieved that product can show that different colour system, while beautifying the overall appearance of product, the use of product Performance does not has the biggest dependence effect to ambient humidity and temperature, substantially increases range and the service life of goods.
Accompanying drawing explanation
Accompanying drawing is for providing a further understanding of the present invention, and constitutes a part for description, with the reality of the present invention Execute example together for explaining the present invention, be not intended that limitation of the present invention.In the accompanying drawings:
Fig. 1 is the foam structure figure preparing expanded bead；
Fig. 2 is silver gray product figure of the present invention.
Detailed description of the invention
Hereinafter the preferred embodiments of the present invention are illustrated, it will be appreciated that preferred embodiment described herein is only used In the description and interpretation present invention, it is not intended to limit the present invention.
Embodiment
Note: embodiment 1-2 test condition is temperature 20 DEG C, humidity 35%；Embodiment 3-4 test condition is temperature 30 DEG C, Humidity 50%.
Can be drawn by embodiment 1-4, the present invention is blended compounding, with acrylic resin for matrix system by silver slurry and graphite For functional master batch and in polypropylene expanded, a small amount of interpolation just can reduce moulded products sheet resistance, improves conduction Ability, plays long-term anlistatig effect；And expanded bead density is suitable, outward appearance is silver gray, and briquetting pressure is little, serviceability Ambient humidity and temperature there are is not the biggest dependence effect, substantially increase range and the service life of goods.
Finally it is noted that the foregoing is only the preferred embodiments of the present invention, it is not limited to the present invention, Although being described in detail the present invention with reference to previous embodiment, for a person skilled in the art, it still may be used So that the technical scheme described in foregoing embodiments to be modified, or wherein portion of techniques feature is carried out equivalent. All within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, should be included in the present invention's Within protection domain.

Claims (4)

1. the preparation method of a silver gray Antistatic type expanded polypropylene beads, it is characterised in that comprise the following steps:
(1) acrylic resin, graphite, silver slurry are mixed with certain proportion, mixed by banbury, draw through double screw extruder Silk, pelletizing are also dried, and prepare functional master batch, package spare；
(2) the functional master batch of acrylic resin, Nucleating Agent, lubricant and preparation is mixed by single screw extrusion machine Refining, extrusion, wire drawing, pelletizing, by screw speed and the pelletizing rotating speed of regulation extruder, the diameter of regulation microgranule, preparation changes Property polypropylene microparticle；
(3) the modified polypropene microgranule of preparation and water are put in reactor, by supplementary carbon dioxide and steam-heated side Formula, slowly improves pressure and temperature in still, pressure release rapidly to blow point, naturally expanding by particle, it is thus achieved that required difference The silver gray expanded polypropylene beads of multiplying power.
The preparation method of a kind of silver gray Antistatic type expanded polypropylene beads the most as claimed in claim 1, it is characterised in that Described step 1) in silver slurry mass concentration be 50%-70%.
The preparation method of a kind of silver gray Antistatic type expanded polypropylene beads the most as claimed in claim 1, it is characterised in that Described acrylic resin is binary or ternary atactic copolymerized polypropene resin.
The preparation method of a kind of silver gray Antistatic type expanded polypropylene beads the most as claimed in claim 3, it is characterised in that Described acrylic resin is propylene and the random copolymer of ethylene or propylene with other monomers, and in acrylic resin, propylene content is More than 90%.
CN201610793446.3A 2016-08-31 2016-08-31 Preparation method of silver-grey antistatic type bubbling polypropylene beads Pending CN106317642A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610793446.3A CN106317642A (en) 2016-08-31 2016-08-31 Preparation method of silver-grey antistatic type bubbling polypropylene beads

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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Publication Number Publication Date
CN106317642A true CN106317642A (en) 2017-01-11

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107857935A (en) * 2017-10-16 2018-03-30 无锡会通轻质材料股份有限公司 A kind of preparation method of grey high fire-retardance polypropylene foaming beads
CN109942876A (en) * 2019-03-12 2019-06-28 济南泰德包装科技有限公司 A kind of foaming method of polypropylene expanded particle
CN110054835A (en) * 2019-03-27 2019-07-26 无锡会通轻质材料股份有限公司 A kind of preparation method of high magnification conductivity type polypropylene foaming beads
CN111378202A (en) * 2018-12-27 2020-07-07 株式会社Jsp Expanded particles and expanded particle molded article
CN111748122A (en) * 2020-06-29 2020-10-09 无锡会通轻质材料股份有限公司 Expandable biodegradable particles and high-foaming-rate biodegradable expanded beads with antistatic function
CN112341662A (en) * 2020-07-10 2021-02-09 无锡会通轻质材料股份有限公司 Gray antistatic polypropylene composite foaming bead with skin-core structure and molded product thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101104716A (en) * 2006-07-13 2008-01-16 中国石油化工股份有限公司 Expandable polypropylene beading, preparation method thereof, and its foaming beading and foaming molding products
CN102250580A (en) * 2011-04-21 2011-11-23 朱向忠 Anti-electrostatic label paper and manufacture method thereof
CN102295807A (en) * 2011-09-05 2011-12-28 浙江俊尔新材料有限公司 Extrusion expanded polypropylene beads and preparation method thereof
CN105885241A (en) * 2016-05-05 2016-08-24 无锡会通轻质材料股份有限公司 Preparation method of foamed polypropylene beads with uniform color and high welding performance

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101104716A (en) * 2006-07-13 2008-01-16 中国石油化工股份有限公司 Expandable polypropylene beading, preparation method thereof, and its foaming beading and foaming molding products
CN102250580A (en) * 2011-04-21 2011-11-23 朱向忠 Anti-electrostatic label paper and manufacture method thereof
CN102295807A (en) * 2011-09-05 2011-12-28 浙江俊尔新材料有限公司 Extrusion expanded polypropylene beads and preparation method thereof
CN105885241A (en) * 2016-05-05 2016-08-24 无锡会通轻质材料股份有限公司 Preparation method of foamed polypropylene beads with uniform color and high welding performance

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107857935A (en) * 2017-10-16 2018-03-30 无锡会通轻质材料股份有限公司 A kind of preparation method of grey high fire-retardance polypropylene foaming beads
CN111378202A (en) * 2018-12-27 2020-07-07 株式会社Jsp Expanded particles and expanded particle molded article
CN111378202B (en) * 2018-12-27 2023-02-21 株式会社Jsp Expanded particles and expanded particle molded article
CN109942876A (en) * 2019-03-12 2019-06-28 济南泰德包装科技有限公司 A kind of foaming method of polypropylene expanded particle
CN110054835A (en) * 2019-03-27 2019-07-26 无锡会通轻质材料股份有限公司 A kind of preparation method of high magnification conductivity type polypropylene foaming beads
CN110054835B (en) * 2019-03-27 2022-03-29 无锡会通轻质材料股份有限公司 Preparation method of high-rate conductive polypropylene foamed beads
CN111748122A (en) * 2020-06-29 2020-10-09 无锡会通轻质材料股份有限公司 Expandable biodegradable particles and high-foaming-rate biodegradable expanded beads with antistatic function
CN112341662A (en) * 2020-07-10 2021-02-09 无锡会通轻质材料股份有限公司 Gray antistatic polypropylene composite foaming bead with skin-core structure and molded product thereof
CN112341662B (en) * 2020-07-10 2022-03-11 无锡会通轻质材料股份有限公司 Gray antistatic polypropylene composite foaming bead with skin-core structure and molded product thereof

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Application publication date: 20170111