BRPI0512484A - processes for the manufacture of acrylic and para-aramid pulp, acrylic and para-aramid pulp, friction material and sealing material - Google Patents

processes for the manufacture of acrylic and para-aramid pulp, acrylic and para-aramid pulp, friction material and sealing material

Info

Publication number
BRPI0512484A
BRPI0512484A BRPI0512484-0A BRPI0512484A BRPI0512484A BR PI0512484 A BRPI0512484 A BR PI0512484A BR PI0512484 A BRPI0512484 A BR PI0512484A BR PI0512484 A BRPI0512484 A BR PI0512484A
Authority
BR
Brazil
Prior art keywords
acrylic
para
aramid pulp
pulp
processes
Prior art date
Application number
BRPI0512484-0A
Other languages
Portuguese (pt)
Inventor
Jill A Conley
Edmund A Merriman
Original Assignee
Du Pont
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 Du Pont filed Critical Du Pont
Publication of BRPI0512484A publication Critical patent/BRPI0512484A/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H5/00—Special paper or cardboard not otherwise provided for
    • D21H5/12—Special paper or cardboard not otherwise provided for characterised by the use of special fibrous materials
    • D21H5/20—Special paper or cardboard not otherwise provided for characterised by the use of special fibrous materials of organic non-cellulosic fibres too short for spinning, with or without cellulose fibres
    • D21H5/205—Special paper or cardboard not otherwise provided for characterised by the use of special fibrous materials of organic non-cellulosic fibres too short for spinning, with or without cellulose fibres acrylic fibres
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
    • D21H13/10—Organic non-cellulose fibres
    • D21H13/12—Organic non-cellulose fibres from macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H13/18—Polymers of unsaturated acids or derivatives thereof, e.g. polyacrylonitriles
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
    • D21H13/10—Organic non-cellulose fibres
    • D21H13/20—Organic non-cellulose fibres from macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H13/26—Polyamides; Polyimides
    • 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
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249924—Noninterengaged fiber-containing paper-free web or sheet which is not of specified porosity

Abstract

PROCESSOS PARA A FABRICAçãO DE UMA POLPA ACRìLICA E DE PARA-ARAMIDA, POLPA ACRìLICA E DE PARA-ARAMIDA, MATERIAL DE FRICçãO E MATERIAL DE VEDAçãO A presente invenção refere-se à polpa acrilica e de para-aramida para o uso como o material de reforça em produtos tais como materiais de vedações e de fricção. A polpa compreende (a) estruturas fibrosas acrilicas em formatos irregulares, (b) estruturas fibrosas de para-aramida em formatos irregulares e (c) água, por meio do que as fibrilas e/ou os talos são substancialmente entrelaçados com as fibrilas e/ou os talos de para-aramida. A presente invenção também se refere aos processos para a fabricação de dita polpa acrilica e de aramida.PROCESSES FOR MANUFACTURING AN ACRYLIC AND PARAMETER PULP, ACRYLIC AND PARAMETER PULP, FRICTION MATERIAL AND SEALING MATERIAL The present invention relates to acrylic and para-aramid pulp for use as the parent material. reinforces in products such as sealing and friction materials. The pulp comprises (a) irregularly shaped acrylic fibrous structures, (b) irregularly shaped para-aramid fibrous structures and (c) water whereby the fibrils and / or stems are substantially intertwined with the fibrils and / or the para-aramid stalks. The present invention also relates to processes for making said acrylic and aramid pulp.

BRPI0512484-0A 2004-06-25 2005-06-16 processes for the manufacture of acrylic and para-aramid pulp, acrylic and para-aramid pulp, friction material and sealing material BRPI0512484A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/877,843 US20050287344A1 (en) 2004-06-25 2004-06-25 Acrylic and para-aramid pulp and processes of making same
PCT/US2005/021342 WO2006012040A1 (en) 2004-06-25 2005-06-16 Acrylic and para-aramid pulp and processes of making same

Publications (1)

Publication Number Publication Date
BRPI0512484A true BRPI0512484A (en) 2008-03-04

Family

ID=35057165

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0512484-0A BRPI0512484A (en) 2004-06-25 2005-06-16 processes for the manufacture of acrylic and para-aramid pulp, acrylic and para-aramid pulp, friction material and sealing material

Country Status (10)

Country Link
US (1) US20050287344A1 (en)
EP (1) EP1774095B1 (en)
JP (1) JP5209303B2 (en)
KR (2) KR100917963B1 (en)
CN (1) CN1973085B (en)
BR (1) BRPI0512484A (en)
CA (1) CA2568016C (en)
DE (1) DE602005013966D1 (en)
MX (1) MXPA06014287A (en)
WO (1) WO2006012040A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050284595A1 (en) * 2004-06-25 2005-12-29 Conley Jill A Cellulosic and para-aramid pulp and processes of making same
CA2682896A1 (en) * 2007-04-05 2008-10-16 Anton Johannes Josef Hendriks Particles comprising composite of para-aramid and additive material
WO2014177328A1 (en) * 2013-05-03 2014-11-06 Teijin Aramid Gmbh Process to manufacture a mixture of p-aramid pulp with chopped fibers, mixture and its use
WO2017109893A1 (en) * 2015-12-24 2017-06-29 日立化成株式会社 Friction material composition, and friction material and friction member using friction material composition
KR102513052B1 (en) * 2016-08-24 2023-03-24 데이진 아라미드 비.브이. Friction material containing aramid
EP4352300A1 (en) 2021-06-08 2024-04-17 Teijin Aramid B.V. Modified aramid pulp and friction material comprising modified aramid pulp

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3063966A (en) * 1958-02-05 1962-11-13 Du Pont Process of making wholly aromatic polyamides
US3133138A (en) * 1958-12-19 1964-05-12 Du Pont Stretching and heat crystallization of poly(meta-phenylene isophthalamide) fibers
US3869430A (en) * 1971-08-17 1975-03-04 Du Pont High modulus, high tenacity poly(p-phenylene terephthalamide) fiber
US3767756A (en) * 1972-06-30 1973-10-23 Du Pont Dry jet wet spinning process
US3884881A (en) * 1973-05-18 1975-05-20 Du Pont Preparation of poly(p-phenylene terephthalamide) by mixing solution of p-phenylene diamine with molten terephthaloyl chloride
US4472241A (en) * 1983-06-15 1984-09-18 E. I. Du Pont De Nemours And Company Co-refining of aramid fibrids and floc
US4729921A (en) * 1984-10-19 1988-03-08 E. I. Du Pont De Nemours And Company High density para-aramid papers
JPS62106133A (en) * 1985-10-31 1987-05-16 Aisin Chem Co Ltd Frictional material
US4811908A (en) * 1987-12-16 1989-03-14 Motion Control Industries, Inc. Method of fibrillating fibers
JP2782105B2 (en) * 1990-02-14 1998-07-30 曙ブレーキ工業株式会社 Non-asbestos friction material
US5084136A (en) * 1990-02-28 1992-01-28 E. I. Du Pont De Nemours And Company Dispersible aramid pulp
US5171402A (en) * 1990-02-28 1992-12-15 E. I. Du Pont De Nemours And Company Dispersible aramid pulp
US5474842A (en) * 1991-08-20 1995-12-12 Hoiness; David E. Aramid particles as wear additives
US5240766A (en) * 1992-04-01 1993-08-31 Hollingsworth & Vose Company Gasket material
JPH07216342A (en) * 1994-07-22 1995-08-15 Nisshinbo Ind Inc Gasket for compressor of refrigerator or the like
US5520866A (en) * 1994-08-09 1996-05-28 Cytec Technology Corp. Process for the preparation of friction materials containing blends of organic fibrous and particulate components
JPH108036A (en) * 1996-06-25 1998-01-13 Akebono Brake Ind Co Ltd Non-asbestos-based friction material
JPH1129761A (en) * 1997-07-07 1999-02-02 Nichias Corp Joint sheet and its preparation
US20020142689A1 (en) * 2001-01-23 2002-10-03 Levit Mikhail R. Non-woven sheet of aramid floc
US20030022961A1 (en) * 2001-03-23 2003-01-30 Satoshi Kusaka Friction material and method of mix-fibrillating fibers
DE10141459C2 (en) * 2001-08-23 2003-08-07 Polymaterials Ag Method and device for the production and testing of moldings
JP2004332830A (en) * 2003-05-08 2004-11-25 Dainatsukusu:Kk High torque capacity wet paper friction material
US20050284595A1 (en) * 2004-06-25 2005-12-29 Conley Jill A Cellulosic and para-aramid pulp and processes of making same

Also Published As

Publication number Publication date
WO2006012040A1 (en) 2006-02-02
KR20070030227A (en) 2007-03-15
MXPA06014287A (en) 2007-02-19
DE602005013966D1 (en) 2009-05-28
EP1774095A1 (en) 2007-04-18
KR100864357B1 (en) 2008-10-17
KR100917963B1 (en) 2009-09-21
CN1973085B (en) 2010-05-12
JP2008503660A (en) 2008-02-07
EP1774095B1 (en) 2009-04-15
JP5209303B2 (en) 2013-06-12
US20050287344A1 (en) 2005-12-29
CN1973085A (en) 2007-05-30
CA2568016C (en) 2013-03-19
CA2568016A1 (en) 2006-02-02
KR20080092979A (en) 2008-10-16

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]