BR112018075607A2 - processo para a fabricação de microesferas termoplásticas termicamente expansíveis, processo para produção de microesferas expandidas, microesferas termoplásticas termicamente expansíveis obteníveis pelo processo, produto fabricado usando as microesferas termoplásticas termicamente expansíveis, e uso de uma sílica coloidal que é modificada pela superfície com pelo menos grupos organossilanos hidrofóbicos - Google Patents

processo para a fabricação de microesferas termoplásticas termicamente expansíveis, processo para produção de microesferas expandidas, microesferas termoplásticas termicamente expansíveis obteníveis pelo processo, produto fabricado usando as microesferas termoplásticas termicamente expansíveis, e uso de uma sílica coloidal que é modificada pela superfície com pelo menos grupos organossilanos hidrofóbicos

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Publication number
BR112018075607A2
BR112018075607A2 BR112018075607-5A BR112018075607A BR112018075607A2 BR 112018075607 A2 BR112018075607 A2 BR 112018075607A2 BR 112018075607 A BR112018075607 A BR 112018075607A BR 112018075607 A2 BR112018075607 A2 BR 112018075607A2
Authority
BR
Brazil
Prior art keywords
thermally expandable
expandable thermoplastic
microspheres
thermoplastic microspheres
manufacture
Prior art date
Application number
BR112018075607-5A
Other languages
English (en)
Other versions
BR112018075607B1 (pt
Inventor
Nyholm Christina
Anders Restorp Per
Törncrona Anders
Bergenudd Helena
Sundblom Andreas
Andreasson Bo
Original Assignee
Akzo Nobel Chemicals International B.V.
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 Akzo Nobel Chemicals International B.V. filed Critical Akzo Nobel Chemicals International B.V.
Publication of BR112018075607A2 publication Critical patent/BR112018075607A2/pt
Publication of BR112018075607B1 publication Critical patent/BR112018075607B1/pt

Links

Classifications

    • 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
    • C08J9/16—Making expandable particles
    • C08J9/20—Making expandable particles by suspension polymerisation in the presence of the blowing agent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/02—Loose filtering material, e.g. loose fibres
    • B01D39/04—Organic material, e.g. cellulose, cotton
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
    • B01J13/02—Making microcapsules or microballoons
    • B01J13/06—Making microcapsules or microballoons by phase separation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
    • B01J13/02—Making microcapsules or microballoons
    • B01J13/06—Making microcapsules or microballoons by phase separation
    • B01J13/14—Polymerisation; cross-linking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
    • B01J13/02—Making microcapsules or microballoons
    • B01J13/06—Making microcapsules or microballoons by phase separation
    • B01J13/14—Polymerisation; cross-linking
    • B01J13/16—Interfacial polymerisation
    • 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
    • C08J9/14—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 organic
    • C08J9/141—Hydrocarbons
    • 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
    • C08J9/22—After-treatment of expandable particles; Forming foamed products
    • 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
    • C08K3/34—Silicon-containing compounds
    • C08K3/36—Silica
    • 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
    • C08K9/00—Use of pretreated ingredients
    • C08K9/04—Ingredients treated with organic substances
    • C08K9/06—Ingredients treated with organic substances with silicon-containing compounds
    • 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
    • C08J2203/22—Expandable microspheres, e.g. Expancel®
    • 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
    • C08J2300/00—Characterised by the use of unspecified polymers
    • C08J2300/22—Thermoplastic resins
    • 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
    • C08J2333/00—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
    • C08J2333/04—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
    • C08J2333/06—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
    • C08J2333/10—Homopolymers or copolymers of methacrylic acid esters
    • C08J2333/12—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
    • C08J2333/00—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
    • C08J2333/18—Homopolymers or copolymers of nitriles
    • C08J2333/20—Homopolymers or copolymers of acrylonitrile
    • 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
    • C08J2339/00—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 at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen; Derivatives of such polymers
    • C08J2339/04—Homopolymers or copolymers of monomers containing heterocyclic rings having nitrogen as ring member
    • C08J2339/06—Homopolymers or copolymers of N-vinyl-pyrrolidones

Abstract

a invenção refere-se a um processo para a fabricação de microesferas termoplásticas termicamente expansíveis. o processo compreende o fornecimento de uma mistura de materiais monoméricos adequados para polimerização para formar um polímero termoplástico e pelo menos um agente de sopro, fornecendo à mistura uma sílica coloidal que é modificada pela superfície com pelo menos um grupo organossilano hidrofóbico e formando uma emulsão. a polimerização é realizada para formar as microesferas termoplásticas termicamente expansíveis. a invenção refere-se ainda a microesferas termoplásticas termicamente expansíveis, microesferas expandidas e seu uso na fabricação de produtos.
BR112018075607-5A 2016-07-14 2017-07-11 Processo para a fabricação de microesferas termoplásticas termicamente expansíveis, processo para produção de microesferas expandidas, microesferas termoplásticas termicamente expansíveis obteníveis pelo processo, microesferas expandidas, produto fabricado, e uso de uma sílica coloidal que é modificada pela superfície com pelo menos grupos organossilanos hidrofóbicos BR112018075607B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP16179524 2016-07-14
EP16179524.0 2016-07-14
PCT/EP2017/067349 WO2018011182A1 (en) 2016-07-14 2017-07-11 Thermally expandable thermoplastic microspheres and process for their preparation

Publications (2)

Publication Number Publication Date
BR112018075607A2 true BR112018075607A2 (pt) 2019-03-26
BR112018075607B1 BR112018075607B1 (pt) 2022-08-30

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
BR112018075607-5A BR112018075607B1 (pt) 2016-07-14 2017-07-11 Processo para a fabricação de microesferas termoplásticas termicamente expansíveis, processo para produção de microesferas expandidas, microesferas termoplásticas termicamente expansíveis obteníveis pelo processo, microesferas expandidas, produto fabricado, e uso de uma sílica coloidal que é modificada pela superfície com pelo menos grupos organossilanos hidrofóbicos

Country Status (7)

Country Link
US (1) US11939446B2 (pt)
EP (1) EP3484608B1 (pt)
JP (1) JP6774547B2 (pt)
KR (1) KR102216453B1 (pt)
CN (1) CN109414672B (pt)
BR (1) BR112018075607B1 (pt)
WO (1) WO2018011182A1 (pt)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102179456B1 (ko) 2017-09-04 2020-11-18 누리온 케미칼즈 인터내셔널 비.브이. 바이오계 모노머로부터 제조되는 열팽창성 마이크로스피어
KR102224767B1 (ko) 2017-11-21 2021-03-08 누리온 케미칼즈 인터내셔널 비.브이. 생물-기반 단량체로부터 제조된 열팽창성 마이크로스피어
CA3094007C (en) 2018-03-21 2023-08-15 Nouryon Chemicals International B.V. Coatings with solar reflective properties
CA3121643A1 (en) * 2018-12-27 2020-07-02 Kemira Oyj Polymer-silica nanocomposite for surface sizing of paper
WO2020229416A1 (en) * 2019-05-14 2020-11-19 Nouryon Chemicals International B.V. Pvc foams
CN110715537A (zh) * 2019-11-15 2020-01-21 快思瑞科技(上海)有限公司 可膨胀微球干燥系统和利用其进行干燥的方法
CN111087693A (zh) * 2019-12-25 2020-05-01 上海金发科技发展有限公司 一种低密度低介电疏水聚丙烯复合材料及其制备方法
BR112022018378A2 (pt) 2020-04-03 2022-11-08 Nouryon Chemicals Int Bv Microesferas poliméricas termoplásticas, processo para preparar microesferas poliméricas termoplásticas, método para produção de microesferas poliméricas termoplásticas expandidas e uso das microesferas poliméricas termoplásticas
CN115297959A (zh) 2020-04-03 2022-11-04 诺力昂化学品国际有限公司 由生物基单体制备的可热膨胀微球
CN112126007B (zh) * 2020-08-25 2022-04-22 浙江衢州巨塑化工有限公司 一种热膨胀性聚偏氯乙烯微球的制备方法
CN115197519A (zh) * 2022-07-27 2022-10-18 万华化学集团股份有限公司 一种含有亲水有机改性胶体二氧化硅的可热膨胀微球的制备方法
CN115403816B (zh) * 2022-09-30 2023-08-22 湖南方锐达科技有限公司 一种可膨胀热塑性发泡微球的制备方法
CN116023701B (zh) * 2022-11-21 2023-12-05 武汉中科先进材料科技有限公司 一种耐高温耐黄变热膨胀发泡微球及其制备方法

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3359130A (en) * 1963-11-12 1967-12-19 Papex Corp Double shelled foamable plastic particles
US3615972A (en) 1967-04-28 1971-10-26 Dow Chemical Co Expansible thermoplastic polymer particles containing volatile fluid foaming agent and method of foaming the same
US3661810A (en) * 1970-06-17 1972-05-09 Basf Wyandotte Corp Nonclumping thermoplastic particles and process of making same
JPS6021770B2 (ja) 1980-02-14 1985-05-29 松本油脂製薬株式会社 熱膨張性マイクロカプセルの製造法
EP0043159B1 (en) * 1980-06-27 1985-09-04 Akzo N.V. Porous inorganic support material coated with an organic stationary phase, for use in chromatography, and process for its preparation
DE19619397A1 (de) 1996-05-14 1997-11-20 Basf Ag Expandierbare Polystyrolpartikel
US8088482B2 (en) 2001-05-25 2012-01-03 Ip Rights, Llc Expandable microspheres for foam insulation and methods
EP1554220B2 (en) 2002-10-14 2014-11-05 Akzo Nobel N.V. Use of a colloidal silica dispersion
US7544726B2 (en) 2002-10-14 2009-06-09 Akzo Nobel N.V. Colloidal silica composition
FR2846550B1 (fr) 2002-11-05 2006-01-13 Ldr Medical Prothese de disque intervertebral
DE60332955D1 (de) 2002-12-20 2010-07-22 Akzo Nobel Nv Verfahren und vorrichtung zum vorschäumen von thermoplastischen mikrokugeln
KR100647388B1 (ko) 2003-02-11 2006-11-23 악조 노벨 엔.브이. 미소구체
JP4451109B2 (ja) 2003-10-10 2010-04-14 Ｓｒｉスポーツ株式会社 ゴルフボール
JP2006326457A (ja) 2005-05-25 2006-12-07 Casio Electronics Co Ltd 中空マイクロカプセル及びその製造方法
JP2007187693A (ja) 2006-01-11 2007-07-26 Toyo Ink Mfg Co Ltd 表示媒体用マイクロカプセル内包着色微粒子
EP1977883B1 (en) 2006-01-17 2014-03-12 Unitika Fibers LTD. Fabric with highly expanded layer and process for production thereof
US8388809B2 (en) * 2006-02-10 2013-03-05 Akzo Nobel N.V. Microspheres
KR101344855B1 (ko) 2006-02-10 2013-12-31 아크조 노벨 엔.브이. 미소구체
EP2121832B1 (de) 2006-12-18 2011-07-27 Basf Se Expandierbare styrolpolymerisate und schaumstoffe mit verringerter wasseraufnahme
FR2914631B1 (fr) 2007-04-06 2009-07-03 Eads Europ Aeronautic Defence Materiau nanostructure particulier, comme revetement protecteur de surfaces metalliques.
CN101564668B (zh) 2009-05-26 2011-07-20 浙江理工大学 微胶囊的制备方法
KR20110058095A (ko) * 2009-11-25 2011-06-01 제일모직주식회사 발포특성이 우수하고 입경이 균일한 열팽창성 미립자 및 그 제조방법
US20140000152A1 (en) 2011-03-14 2014-01-02 Akzo Nobel Chemicals International B.V. Modified silica particles
CN102702449B (zh) 2012-06-13 2013-09-18 福建省锦浪精细化工有限公司 一种耐热性发泡微胶囊的制备方法
WO2014036681A1 (zh) * 2012-09-04 2014-03-13 西能化工科技(上海)有限公司 热膨胀性微球及其制备和应用
CN105722868B (zh) * 2013-12-26 2017-10-27 松本油脂制药株式会社 热膨胀性微小球的制造方法及其利用

Also Published As

Publication number Publication date
US11939446B2 (en) 2024-03-26
CN109414672B (zh) 2021-10-26
WO2018011182A1 (en) 2018-01-18
BR112018075607B1 (pt) 2022-08-30
EP3484608B1 (en) 2021-09-01
CN109414672A (zh) 2019-03-01
KR20190012225A (ko) 2019-02-08
KR102216453B1 (ko) 2021-02-17
JP2019528158A (ja) 2019-10-10
JP6774547B2 (ja) 2020-10-28
EP3484608A1 (en) 2019-05-22
US20190233606A1 (en) 2019-08-01

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