WO2011140706A1 - Fibre de chanvre pour renforcement de matière plastique et son procédé de préparation - Google Patents

Fibre de chanvre pour renforcement de matière plastique et son procédé de préparation Download PDF

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Publication number
WO2011140706A1
WO2011140706A1 PCT/CN2010/072652 CN2010072652W WO2011140706A1 WO 2011140706 A1 WO2011140706 A1 WO 2011140706A1 CN 2010072652 W CN2010072652 W CN 2010072652W WO 2011140706 A1 WO2011140706 A1 WO 2011140706A1
Authority
WO
WIPO (PCT)
Prior art keywords
hemp fiber
fiber
parts
coupling agent
hemp
Prior art date
Application number
PCT/CN2010/072652
Other languages
English (en)
Chinese (zh)
Inventor
马铁军
李及珠
郭修芹
廖宇涛
董平
Original Assignee
昆山博富新材料科技股份有限公司
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 昆山博富新材料科技股份有限公司 filed Critical 昆山博富新材料科技股份有限公司
Priority to CN2010800029527A priority Critical patent/CN102232099B/zh
Priority to US13/321,658 priority patent/US20120070663A1/en
Priority to KR1020127000061A priority patent/KR101350949B1/ko
Priority to PCT/CN2010/072652 priority patent/WO2011140706A1/fr
Publication of WO2011140706A1 publication Critical patent/WO2011140706A1/fr

Links

Classifications

    • 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
    • B29B15/00—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00
    • B29B15/08—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00 of reinforcements or fillers
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L97/00—Compositions of lignin-containing materials
    • C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/01—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with hydrogen, water or heavy water; with hydrides of metals or complexes thereof; with boranes, diboranes, silanes, disilanes, phosphines, diphosphines, stibines, distibines, arsines, or diarsines or complexes thereof
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/38—Oxides or hydroxides of elements of Groups 1 or 11 of the Periodic System
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/46—Oxides or hydroxides of elements of Groups 4 or 14 of the Periodic System; Titanates; Zirconates; Stannates; Plumbates
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2933—Coated or with bond, impregnation or core

Definitions

  • the invention belongs to the technical field of natural fiber composite materials and wood plastic composite materials, and particularly relates to a plastic reinforcing hemp fiber and a preparation method thereof
  • Natural plant fibers are formed by long-fiber or braided fiber mats and then thermoformed with thermosetting resins. They cannot be directly added to thermoplastics for injection molding like glass fibers.
  • natural plant fibers are rich in hydroxyl groups on the one hand. , showing strong polarity and hydrophilicity, poor compatibility with non-polar or weakly polar plastics, poor performance of prepared composites; on the other hand, due to the large volume of plant fibers, large filling capacity, fibers and The large friction between plastics, fibers and equipment and fibers makes plant fiber reinforced plastics difficult to process, especially for injection molding.
  • interface compatibilizer In order to solve the problem of compatibility between plant fiber and plastic interface, the main solution at present is to add interface compatibilizer, one type is coupling agent, such as silane coupling agent, titanate coupling agent, aluminate coupling. Agent, rare earth coupling agent, The isocyanate coupling agent and the like, and the other is a graft or copolymer of maleic anhydride and a polyolefin. Most of the coupling agents are used in small amounts of liquid and are not easily dispersed uniformly in plant fibers, affecting the coupling effect. Industrial applications require special equipment to handle; grafts or copolymers of maleic anhydride and polyolefin are mostly particles.
  • Another object of the present invention is to provide a method for producing the above-mentioned plastic reinforcing hemp fiber.
  • a hemp fiber for plastic reinforcement consists of the following components by weight:
  • Hemp fiber treatment agent 0.1 to 100 parts (preferably 10 to 80 parts)
  • the short cut hemp fiber is one or more of ramie fiber, flax fiber, sisal fiber, jute fiber, and hemp fiber.
  • the hemp fiber treating agent is a urea-formaldehyde resin prepolymer, a trimethylol melamine resin or a hexamethylol melamine resin.
  • the functional polyolefin is a metallocene polyethylene wax, a metallocene polypropylene, a metallocene polyolefin, an oxidized metallocene polyolefin wax, and a metallocene polyolefin wax. More than one of maleic anhydride grafts.
  • the coupling agent is one or more selected from the group consisting of a silane coupling agent, a titanate coupling agent, an aluminate coupling agent, an isocyanate coupling agent, and a rare earth coupling agent.
  • the antioxidant is an antioxidant 1010 and an antioxidant 168, and the mass ratio of the two is 2:1.
  • the above method for preparing a plastic reinforcing hemp fiber comprises the following steps:
  • Step (1) The mass percentage concentration of the aqueous sodium hydroxide solution is 1% to 10%
  • the mass percentage concentration of the hemp fiber treatment agent aqueous solution is 10% to 50%; the dry water is dried by centrifugation; the drying is air drying to a mass moisture content of 8 to 15% (Normal moisture content of hemp fiber).
  • Step (1) The drying is performed by vacuum drying, and the drying temperature is 90 to 150. °C, the mass moisture content of the dried to hemp fiber is less than 1%; the rinse with water is washed to pH 7.0 ⁇ 9.0.
  • Step (2) the stirring time is 5 to 10 minutes; the stirring speed is 50 to 300 per minute. Turn.
  • the principle of the invention is: the invention washes off impurities on the surface of the fiber by using a dilute alkali solution, and then uses urea - Water of a treatment agent such as a formaldehyde resin prepolymer, a trimethylol melamine resin or a hexamethylol melamine resin Solution treatment, the hydroxyl group on the surface of the fiber reacts with the methylol group of the treating agent, and the surface of the fiber is coated with a layer of urea-formaldehyde resin or melamine resin, which reduces the surface polarity of the hemp fiber, reduces the water absorption rate of the hemp fiber, and improves the water absorption rate.
  • the rigidity and heat resistance of the hemp fiber; the compatibility of the hemp fiber with the plastic is further improved by the coupling agent, and the lubricity and dispersibility of the fiber interior are improved by the functional polyolefin.
  • the short cut hemp fiber prepared by the invention has good color, good rigidity and heat resistance, and can be directly added into the plastic matrix like the short glass fiber, and the phase with the plastic. It has good capacitance and can be used to prepare high-performance short hemp fiber/plastic composite material and play an enhanced role in the plastic matrix.

Abstract

La présente invention a pour objet une fibre de chanvre pour renforcement de matière plastique et son procédé de préparation. La fibre de chanvre est composée (en poids) : de 100 parties de fibre de chanvre hachée, de 0,1 à 100 parties d'agent de traitement de la fibre de chanvre, de 1 à 10 parties de polyoléfine fonctionnelle, de 0,1 à 10 parties d'agent de couplage et de 0,1 à 0,5 partie d'antioxydant. Le procédé comprend les étapes suivantes consistant : à découper la fibre de chanvre hachée, à immerger dans une solution d'hydroxyde de sodium et à agiter, à laver et à essorer, à immerger dans la solution aqueuse d'agent de traitement de la fibre de chanvre, à cuire au four et à obtenir une fibre de chanvre hachée ayant une surface traitée, et à ajouter ensuite la fibre de chanvre hachée, l'agent de couplage, la polyoléfine fonctionnelle et l'oxydant séquentiellement dans la machine à malaxer préchauffée et à agiter pour obtenir la fibre de chanvre pour renforcement de matière plastique. La fibre de chanvre hachée préparée selon la présente invention est supérieure en termes de couleur, de rigidité, de résistance thermique, de compatibilité avec les matières plastiques, et peut être utilisée pour préparer un matériau composite haute performance de fibre de chanvre hachée et de matières plastiques et peut agir en tant que renforcement dans une matrice plastique.
PCT/CN2010/072652 2010-05-12 2010-05-12 Fibre de chanvre pour renforcement de matière plastique et son procédé de préparation WO2011140706A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN2010800029527A CN102232099B (zh) 2010-05-12 2010-05-12 一种塑料增强用麻纤维及其制备方法
US13/321,658 US20120070663A1 (en) 2010-05-12 2010-05-12 Bast fibers for plastics reinforcement and preparation method thereof
KR1020127000061A KR101350949B1 (ko) 2010-05-12 2010-05-12 플라스틱 보강용 마섬유 및 제조방법
PCT/CN2010/072652 WO2011140706A1 (fr) 2010-05-12 2010-05-12 Fibre de chanvre pour renforcement de matière plastique et son procédé de préparation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2010/072652 WO2011140706A1 (fr) 2010-05-12 2010-05-12 Fibre de chanvre pour renforcement de matière plastique et son procédé de préparation

Publications (1)

Publication Number Publication Date
WO2011140706A1 true WO2011140706A1 (fr) 2011-11-17

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2010/072652 WO2011140706A1 (fr) 2010-05-12 2010-05-12 Fibre de chanvre pour renforcement de matière plastique et son procédé de préparation

Country Status (4)

Country Link
US (1) US20120070663A1 (fr)
KR (1) KR101350949B1 (fr)
CN (1) CN102232099B (fr)
WO (1) WO2011140706A1 (fr)

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WO2016027848A1 (fr) * 2014-08-20 2016-02-25 北川工業株式会社 Matériau conférant des propriétés ignifuges, et corps moulé en résine ignifuge
KR101715317B1 (ko) * 2015-10-05 2017-03-22 주식회사 서연이화 발포체 조성물 및 그 제조방법
CN106079723B (zh) * 2016-06-24 2018-08-31 浙江大学宁波理工学院 阻燃改性苎麻织物/苯并噁嗪树脂层压板及其制备方法
CN107012587A (zh) * 2017-05-15 2017-08-04 吉林大学 一种天然环保型麻纤维增强可降解聚合物基毡材及其复合板材与制备方法
CN110219163B (zh) * 2019-04-30 2021-12-21 江阴芗菲纺织科技有限公司 一种碱-尿素预处理纯亚麻纱线的方法
CN114015122A (zh) * 2021-11-23 2022-02-08 广东富强科技股份有限公司 一种汽车顶棚基材及其制备方法
CN114561058B (zh) * 2022-04-02 2022-12-06 深圳市兴昌明印刷制品有限公司 一种高密度pe及其在人感面板中的应用
CN114621539B (zh) * 2022-04-25 2023-05-02 上饶市博美新材料有限公司 一种耐热复合塑料及其制备方法

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Also Published As

Publication number Publication date
KR101350949B1 (ko) 2014-01-13
CN102232099A (zh) 2011-11-02
CN102232099B (zh) 2013-02-06
US20120070663A1 (en) 2012-03-22

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