CA2568016C - Acrylic and para-aramid pulp and processes of making same - Google Patents

Acrylic and para-aramid pulp and processes of making same Download PDF

Info

Publication number
CA2568016C
CA2568016C CA 2568016 CA2568016A CA2568016C CA 2568016 C CA2568016 C CA 2568016C CA 2568016 CA2568016 CA 2568016 CA 2568016 A CA2568016 A CA 2568016A CA 2568016 C CA2568016 C CA 2568016C
Authority
CA
Canada
Prior art keywords
para
aramid
acrylic
pulp
ingredients
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.)
Expired - Lifetime
Application number
CA 2568016
Other languages
English (en)
French (fr)
Other versions
CA2568016A1 (en
Inventor
Jill A. Conley
Edmund A. Merriman
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.)
DuPont Safety and Construction Inc
Original Assignee
EI Du Pont de Nemours and Co
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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of CA2568016A1 publication Critical patent/CA2568016A1/en
Application granted granted Critical
Publication of CA2568016C publication Critical patent/CA2568016C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paper (AREA)
  • Sealing Material Composition (AREA)
  • Nonwoven Fabrics (AREA)
CA 2568016 2004-06-25 2005-06-16 Acrylic and para-aramid pulp and processes of making same Expired - Lifetime CA2568016C (en)

Applications Claiming Priority (3)

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
US10/877,843 2004-06-25
PCT/US2005/021342 WO2006012040A1 (en) 2004-06-25 2005-06-16 Acrylic and para-aramid pulp and processes of making same

Publications (2)

Publication Number Publication Date
CA2568016A1 CA2568016A1 (en) 2006-02-02
CA2568016C true CA2568016C (en) 2013-03-19

Family

ID=35057165

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2568016 Expired - Lifetime CA2568016C (en) 2004-06-25 2005-06-16 Acrylic and para-aramid pulp and processes of making same

Country Status (10)

Country Link
US (1) US20050287344A1 (pt)
EP (1) EP1774095B1 (pt)
JP (1) JP5209303B2 (pt)
KR (2) KR100864357B1 (pt)
CN (1) CN1973085B (pt)
BR (1) BRPI0512484A (pt)
CA (1) CA2568016C (pt)
DE (1) DE602005013966D1 (pt)
MX (1) MXPA06014287A (pt)
WO (1) WO2006012040A1 (pt)

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
MX2009010680A (es) * 2007-04-05 2009-10-23 Teijin Aramid Bv Particulas que comprenden material mixto para-aramidico y material aditivo.
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
JPWO2017109893A1 (ja) * 2015-12-24 2018-10-11 日立化成株式会社 摩擦材組成物、該摩擦材組成物を用いた摩擦材および摩擦部材
EP3504376B1 (en) 2016-08-24 2020-10-07 Teijin Aramid B.V. Friction material comprising aramid
KR20240021779A (ko) 2021-06-08 2024-02-19 데이진 아라미드 비.브이. 개질된 아라미드 펄프, 및 개질된 아라미드 펄프를 포함하는 마찰재

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 (ja) * 1985-10-31 1987-05-16 Aisin Chem Co Ltd 湿式摩擦材
US4811908A (en) * 1987-12-16 1989-03-14 Motion Control Industries, Inc. Method of fibrillating fibers
JP2782105B2 (ja) * 1990-02-14 1998-07-30 曙ブレーキ工業株式会社 ノンアスベストス摩擦材
US5171402A (en) * 1990-02-28 1992-12-15 E. I. Du Pont De Nemours And Company Dispersible aramid pulp
US5084136A (en) * 1990-02-28 1992-01-28 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 (ja) * 1994-07-22 1995-08-15 Nisshinbo Ind Inc 冷凍機等の圧縮機用ガスケット
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 (ja) * 1996-06-25 1998-01-13 Akebono Brake Ind Co Ltd 非石綿系摩擦材
JPH1129761A (ja) * 1997-07-07 1999-02-02 Nichias Corp ジョイントシートおよびその製造方法
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 (de) * 2001-08-23 2003-08-07 Polymaterials Ag Verfahren und Vorrichtung zur Herstellung und Prüfung von Formkörpern
JP2004332830A (ja) * 2003-05-08 2004-11-25 Dainatsukusu:Kk 高トルク容量湿式ペーパー摩擦材
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
EP1774095A1 (en) 2007-04-18
KR100864357B1 (ko) 2008-10-17
JP2008503660A (ja) 2008-02-07
WO2006012040A1 (en) 2006-02-02
CN1973085A (zh) 2007-05-30
KR20070030227A (ko) 2007-03-15
KR20080092979A (ko) 2008-10-16
US20050287344A1 (en) 2005-12-29
BRPI0512484A (pt) 2008-03-04
CA2568016A1 (en) 2006-02-02
CN1973085B (zh) 2010-05-12
MXPA06014287A (es) 2007-02-19
KR100917963B1 (ko) 2009-09-21
JP5209303B2 (ja) 2013-06-12
DE602005013966D1 (de) 2009-05-28
EP1774095B1 (en) 2009-04-15

Similar Documents

Publication Publication Date Title
CA2567363C (en) Cellulosic and para-aramid pulp and processes of making same
US8444815B2 (en) Pulp comprising polypyridobisimidazole and other polymers and methods of making same
US8211272B2 (en) Para-aramid pulp including meta-aramid fibrids and processes of making same
US7455750B2 (en) Meta- and para-aramid pulp and processes of making same
CA2568016C (en) Acrylic and para-aramid pulp and processes of making same
EP1968910A1 (en) Polyareneazole/thermoset pulp and methods of making same
HK1106804A (en) Acrylic and para-aramid pulp and processes of making same
HK1106805A (en) Cellulosic and para-aramid pulp and processes of making same

Legal Events

Date Code Title Description
EEER Examination request
W00 Other event occurred

Free format text: ST27 STATUS EVENT CODE: A-4-4-W10-W00-W100 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: LETTER SENT

Effective date: 20251112

MPN Maintenance fee for patent paid

Free format text: FEE DESCRIPTION TEXT: MF (PATENT, 19TH ANNIV.) - STANDARD

Year of fee payment: 19

U00 Fee paid

Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U00-U101 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE REQUEST RECEIVED

Effective date: 20251218

U11 Full renewal or maintenance fee paid

Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT PAID IN FULL

Effective date: 20251218

W00 Other event occurred

Free format text: ST27 STATUS EVENT CODE: A-4-4-W10-W00-W100 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: LETTER SENT

Effective date: 20260225