WO2021103081A1 - Mélange maître fonctionnel écologique de purification d'eau et procédé de préparation associé - Google Patents

Mélange maître fonctionnel écologique de purification d'eau et procédé de préparation associé Download PDF

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Publication number
WO2021103081A1
WO2021103081A1 PCT/CN2019/123152 CN2019123152W WO2021103081A1 WO 2021103081 A1 WO2021103081 A1 WO 2021103081A1 CN 2019123152 W CN2019123152 W CN 2019123152W WO 2021103081 A1 WO2021103081 A1 WO 2021103081A1
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WO
WIPO (PCT)
Prior art keywords
parts
water purification
masterbatch
environmentally friendly
friendly water
Prior art date
Application number
PCT/CN2019/123152
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English (en)
Chinese (zh)
Inventor
台启龙
赵进文
Original Assignee
苏州和塑美科技有限公司
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Filing date
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Application filed by 苏州和塑美科技有限公司 filed Critical 苏州和塑美科技有限公司
Publication of WO2021103081A1 publication Critical patent/WO2021103081A1/fr

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    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/02—Making granules by dividing preformed material
    • B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
    • 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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/64—Screws with two or more threads
    • B29C48/655—Screws with two or more threads having three or more threads
    • 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
    • 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
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92895—Barrel or housing
    • 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
    • C08J2323/12—Polypropene
    • 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
    • C08J2433/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
    • C08J2433/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
    • C08J2433/06—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
    • C08J2433/10—Homopolymers or copolymers of methacrylic acid esters
    • C08J2433/12—Homopolymers or copolymers of methyl methacrylate
    • 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
    • C08J2467/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • C08J2467/04—Polyesters derived from hydroxy carboxylic acids, e.g. lactones
    • 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
    • C08J2469/00—Characterised by the use of polycarbonates; Derivatives of polycarbonates
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C08K2003/265—Calcium, strontium or barium carbonate

Definitions

  • the invention relates to the manufacturing field of the resin mineral field, in particular to an environment-friendly water purification functional masterbatch and a preparation method.
  • the environmentally friendly water purification functional masterbatch can not only reduce the impact of sewage on the environment, but also improve the utilization rate of water resources. Moreover, the water purification functional masterbatch is made of environmentally friendly materials to meet environmentally friendly requirements.
  • the first object of the present invention is to provide an environmentally friendly water purification functional masterbatch;
  • the second object of the present invention is a method for preparing the environmentally friendly water purification functional masterbatch.
  • the present invention adopts the following first technical solution: an environmentally friendly water purification functional masterbatch, the masterbatch contains the following components by weight: 5-15 parts of polyester resin, poly 35-45 parts of olefin resin, 40-50 parts of mineral powder, and 5-10 parts of degradable resin polymer, and the particle surface of the masterbatch has a concave-convex thread-like structure.
  • the masterbatch is composed of the following components by weight: 5-10 parts by weight of the polyester resin, 40-45 parts by the polyolefin resin, 40-45 parts by the mineral powder, and degradable 8 parts of resin polymer.
  • the masterbatch is composed of the following components by weight: 6 parts by weight of polyester resin, 45 parts by polyolefin resin, 41 parts by mineral powder, and 8 parts by degradable resin polymer.
  • the degradable resin polymer is selected from at least one of polylactic acid PLA, polybutylene adipate terephthalate PBAT and starch.
  • the mineral powder is selected from at least one of talc powder, calcium carbonate, quartz powder, wollastonite and kaolin. Further preferably, the mineral powder mesh number is 500-5000 mesh.
  • the polyester resin is selected from polycarbonate PC, polymethyl methacrylate PMMA, polyethylene terephthalate-1 and 4-cyclohexanedimethanol At least one of ester PETG.
  • the polyolefin resin is selected from at least one of polypropylene PP, high-density polyethylene HDPE, low-density polyethylene LDPE and linear low-density polyethylene LLDPE.
  • the present invention adopts the following second technical solution: a method for preparing the above-mentioned environmentally friendly water purification functional masterbatch, the method including the method comprising:
  • Step 1 Stir the polyester resin, polyolefin resin, and degradable resin polymer uniformly, and then feed the mineral powder together with the mineral powder into the extruder through a weight loss scale to form a uniform mixture;
  • Step 2 Set the temperature of the extruder to 170-220°C so that the mixture is converted into a semi-molten state, and the mixture is extruded and pelletized through the extruder to obtain an environmentally friendly functional water purification functional mother grain.
  • the extrusion process of the extruder is controlled so that the mixture in a semi-molten state will undergo melt fracture when it enters the die of the extruder, In order to achieve the formation of concave and convex thread-like structure on the surface of the extrudate.
  • the water purification function masterbatch of the present invention not only has excellent water purification function, but also because the water purification function masterbatch is made of environmentally friendly materials, it meets the needs of environmental friendliness; in addition, the present invention has lower production costs, among which The prices of polyolefin materials and mineral powder are very low, and the production equipment is relatively simple, which greatly reduces the production cost.
  • the extrusion process and the material formula are set simultaneously, so that the material melts at the die of the extruder, and the concave-convex thread shape is formed on the surface of the masterbatch.
  • the structure makes it possible to form a microporous structure on the surface and inside of the masterbatch during use.
  • the degradable polymer in the formulation of the masterbatch with this structure accelerates decomposition under the influence of the external environment during use, and forms micropores on the surface and inside of the resin of the water purification function masterbatch, which greatly increases the specific surface area and surface roughness of the masterbatch It is more conducive to filtering and adsorbing impurities in the water.
  • the extruder in the following embodiments adopts a twin-screw extruder.
  • the extruder includes a feeding zone, a first heating zone, a second heating zone, a third heating zone, a fourth heating zone, and a second heating zone along the material movement direction. Five heating zones, sixth heating zone, seventh heating zone, eighth heating zone, ninth heating zone and machine head.
  • the extruder selects and installs the internal thread block, the internal thread block is divided into conveying section, melting section, homogenizing section and compression section according to the function; in the specific setting, the conveying section group is composed of thread blocks with long pitch , There is a compression section composed of appropriate short pitch thread blocks between entering the melting section.
  • the melting section is composed of a few thick shear slices and an appropriate amount of thin shear slice thread blocks.
  • the homogenization section is composed of scattered thin shear piece thread blocks.
  • the compression section is composed of a proper amount of short-pitch thread blocks. Reverse thread speed is not used in the arrangement.
  • the overall arrangement is weakly sheared and weakly dispersed.
  • the control temperature of each part of the extruder is: the first heating zone 140 ⁇ 10°C, the second heating zone 170 ⁇ 10°C, the third heating zone 190 ⁇ 10°C, and the first heating zone is 170 ⁇ 10°C.
  • the above-mentioned parts by weight of the raw materials are first transformed into a semi-molten state in the extruder, and the semi-molten mixture will undergo melt fracture when entering the die of the extruder head.
  • the surface of the product is formed with a concave-convex thread-like structure similar to a thread.
  • the above-mentioned parts by weight of the raw materials are first transformed into a semi-molten state in the extruder, and the semi-molten mixture will undergo melt fracture when entering the die of the extruder head. Concave and convex thread-like structures are formed on the surface of the product.
  • test results of the prepared environmentally friendly water purification function masterbatch the bulk density is 700g/L, and the depth of the raised threads on the particle surface is 1.8-2.3mm.
  • the environment-friendly water purification function masterbatch resin provided by the present invention can adjust the size, bulk density, and sedimentation rate of the water purification function masterbatch resin according to the water flow speed and impurity types, and filter most of the impurity particles in the sewage.
  • the purification mechanism is that the surface of the resin particles of the water purification function masterbatch prepared by a special process has raised threads and a large number of micropores, and some acidic or alkaline substances in the sewage can accelerate the decomposition of degradable polymers, and further improve the water purification function. Holes are formed on the masterbatch, which greatly increases the specific surface area and surface roughness of the water purification masterbatch, which effectively plays a role of filtration and adsorption.

Abstract

L'invention concerne un mélange maître fonctionnel écologique de purification d'eau. Le mélange maître selon l'invention comprend les composants suivants : 5-15 parties de résine de polyester, 35-45 parties de résine de polyoléfine, 40-50 parties de poudre minérale et 5-10 parties d'un polymère de résine dégradable. L'invention concerne également un procédé de préparation de ce mélange maître, selon lequel : la résine de polyester, la résine de polyoléfine et le polymère de résine dégradable sont ajoutés dans un tambour mélangeur pour fournir un mélange uniforme, le matériau mixte et la poudre minérale sont ajoutés dans une extrudeuse, la température de l'extrudeuse est réglée à 170-220 °C, le mélange est extrudé et granulé, les surfaces des particules extrudées présentant des formes de filetage concaves et convexes.
PCT/CN2019/123152 2019-11-30 2019-12-05 Mélange maître fonctionnel écologique de purification d'eau et procédé de préparation associé WO2021103081A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201911207993.9A CN110776694A (zh) 2019-11-30 2019-11-30 一种环境友好型水净化功能母粒及其制备方法
CN201911207993.9 2019-11-30

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WO2021103081A1 true WO2021103081A1 (fr) 2021-06-03

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CN115926386A (zh) * 2022-03-16 2023-04-07 苏州方位无菌包装有限公司 一种外科手术器械医用吸塑托盘及其制备方法

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Publication number Priority date Publication date Assignee Title
CN101143962A (zh) * 2006-09-15 2008-03-19 奇钛科技股份有限公司 一种改善韧性和耐热性的可生物降解树脂组成物及其制法
US20090124717A1 (en) * 2007-08-23 2009-05-14 Nisshinbo Industries, Inc. Carrier for fluid treatment and method of making the same
CN102227476A (zh) * 2009-09-30 2011-10-26 索尼公司 树脂组合物
CN103936147A (zh) * 2010-11-24 2014-07-23 栗田工业株式会社 厌氧处理方法及装置
CN105102378A (zh) * 2013-03-27 2015-11-25 栗田工业株式会社 厌氧性处理方法
CN105431479A (zh) * 2013-08-09 2016-03-23 金伯利-克拉克环球有限公司 用于选择性控制聚合物材料的孔隙率的方法
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