DE69220076D1 - Uv-hartbare trennmittel-uberzugsmischungen - Google Patents

Uv-hartbare trennmittel-uberzugsmischungen

Info

Publication number
DE69220076D1
DE69220076D1 DE69220076T DE69220076T DE69220076D1 DE 69220076 D1 DE69220076 D1 DE 69220076D1 DE 69220076 T DE69220076 T DE 69220076T DE 69220076 T DE69220076 T DE 69220076T DE 69220076 D1 DE69220076 D1 DE 69220076D1
Authority
DE
Germany
Prior art keywords
release agent
agent coating
curable release
coating mixes
mixes
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 - Fee Related
Application number
DE69220076T
Other languages
English (en)
Other versions
DE69220076T2 (de
Inventor
Carl Kessel
Daniel Mcintyre
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing 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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Application granted granted Critical
Publication of DE69220076D1 publication Critical patent/DE69220076D1/de
Publication of DE69220076T2 publication Critical patent/DE69220076T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
    • C08L83/04—Polysiloxanes
    • C08L83/06—Polysiloxanes containing silicon bound to oxygen-containing groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
    • C08G59/14—Polycondensates modified by chemical after-treatment
    • C08G59/1433—Polycondensates modified by chemical after-treatment with organic low-molecular-weight compounds
    • C08G59/1438—Polycondensates modified by chemical after-treatment with organic low-molecular-weight compounds containing oxygen
    • C08G59/145—Compounds containing one epoxy group
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
    • C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
    • C08G59/20—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the epoxy compounds used
    • C08G59/22—Di-epoxy compounds
    • C08G59/30—Di-epoxy compounds containing atoms other than carbon, hydrogen, oxygen and nitrogen
    • C08G59/306—Di-epoxy compounds containing atoms other than carbon, hydrogen, oxygen and nitrogen containing silicon
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
    • C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
    • C08G59/20—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the epoxy compounds used
    • C08G59/32—Epoxy compounds containing three or more epoxy groups
    • C08G59/3254—Epoxy compounds containing three or more epoxy groups containing atoms other than carbon, hydrogen, oxygen or nitrogen
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
    • C09D183/04—Polysiloxanes
    • C09D183/06—Polysiloxanes containing silicon bound to oxygen-containing groups
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/40—Adhesives in the form of films or foils characterised by release liners
    • C09J7/401—Adhesives in the form of films or foils characterised by release liners characterised by the release coating composition
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2483/00—Presence of polysiloxane
    • C09J2483/005—Presence of polysiloxane in the release coating
    • 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
    • Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
    • Y10T428/2839—Web or sheet containing structurally defined element or component and having an adhesive outermost layer with release or antistick coating

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Emergency Medicine (AREA)
  • Epoxy Resins (AREA)
  • Adhesive Tapes (AREA)
  • Paints Or Removers (AREA)
  • Laminated Bodies (AREA)
  • Silicon Polymers (AREA)
  • Macromonomer-Based Addition Polymer (AREA)
DE69220076T 1991-10-15 1992-09-10 Uv-hartbare trennmittel-uberzugsmischungen Expired - Fee Related DE69220076T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/775,833 US5217805A (en) 1991-10-15 1991-10-15 Uv-curable silicon release compositions
PCT/US1992/007750 WO1993008238A1 (en) 1991-10-15 1992-09-10 Uv-curable silicone release compositions

Publications (2)

Publication Number Publication Date
DE69220076D1 true DE69220076D1 (de) 1997-07-03
DE69220076T2 DE69220076T2 (de) 1997-11-13

Family

ID=25105650

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69220076T Expired - Fee Related DE69220076T2 (de) 1991-10-15 1992-09-10 Uv-hartbare trennmittel-uberzugsmischungen

Country Status (9)

Country Link
US (1) US5217805A (de)
EP (1) EP0608273B1 (de)
JP (1) JP3415149B2 (de)
KR (1) KR0130577B1 (de)
AU (1) AU659222B2 (de)
CA (1) CA2119464A1 (de)
DE (1) DE69220076T2 (de)
ES (1) ES2102520T3 (de)
WO (1) WO1993008238A1 (de)

Families Citing this family (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW268969B (de) * 1992-10-02 1996-01-21 Minnesota Mining & Mfg
US5516393A (en) * 1993-04-29 1996-05-14 Avery Dennison Corporation Labelling of substrates
US5616629A (en) * 1994-08-24 1997-04-01 Avery Dennison Corporation Radiation-curable organopolysiloxane release compositions
US5589246A (en) 1994-10-17 1996-12-31 Minnesota Mining And Manufacturing Company Heat-activatable adhesive article
US5856373A (en) * 1994-10-31 1999-01-05 Minnesota Mining And Manufacturing Company Dental visible light curable epoxy system with enhanced depth of cure
CA2163611A1 (en) * 1994-12-15 1996-06-16 Wayne K. Larson Low surface energy sulfo-polyurethane or sulfo-polyurea compositions
US5643668A (en) * 1994-12-30 1997-07-01 Minnesota Mining And Manufacturing Company Tape for rough surfaces
US5510190A (en) * 1995-02-27 1996-04-23 Avery Dennison Corporation Radiation-curable release compositions
US5587502A (en) * 1995-06-02 1996-12-24 Minnesota Mining & Manufacturing Company Hydroxy functional alkoxysilane and alkoxysilane functional polyurethane made therefrom
US5888650A (en) * 1996-06-03 1999-03-30 Minnesota Mining And Manufacturing Company Temperature-responsive adhesive article
FR2761368B1 (fr) * 1997-03-25 2005-10-21 Rhodia Chimie Sa Composition (e. g. encre ou vernis) polymerisable et/ou reticulable sous irradiation par voie cationique et/ou radicalaire, a base d'une matrice organique, d'un diluant silicone et d'un photo-amorceur
US20020035199A1 (en) * 1997-03-25 2002-03-21 Stefan Breunig Composition (e.g. ink or varnish) which can undergo cationic and/or radical polymerization and/or crosslinking by irradiation, based on an organic matrix, a silicone diluent and a photoinitiator
US6306475B1 (en) 1997-07-15 2001-10-23 Morgan Adhesives Company Ultraviolet control of the release of a pressure-sensitive adhesive in contact with a silicone release liner
US6982107B1 (en) 1997-09-15 2006-01-03 3M Innovative Properties Company Release liner for pressure sensitive adhesives
US6057033A (en) * 1997-12-12 2000-05-02 Avery Dennison Corporation Radiation-curable release compositions containing cellulose fibers
US6313255B1 (en) 1998-12-18 2001-11-06 General Electric Company Telechelic siloxane polymers with multiple epoxy end-groups
US7622159B2 (en) * 1999-01-28 2009-11-24 Loparex, Inc. Release liners and processes for making the same
US6299945B1 (en) * 1999-01-28 2001-10-09 Loparex Inc. Processes for making release liners
JP2001348554A (ja) * 1999-10-27 2001-12-18 Sekisui Chem Co Ltd 反応性ホットメルト接着剤組成物
US6455153B1 (en) * 2000-01-05 2002-09-24 Basf Ag Release coating for tapes
US6486267B1 (en) * 2000-08-03 2002-11-26 Avery Dennison Corporation Release composition
FR2816951B1 (fr) * 2000-11-21 2003-01-10 Rhodia Chimie Sa Compositions a base de silicones fonctionnalisees durcissables sous irradiation et revetements anti-adherents obtenus a partir de ces compositions
JP4039518B2 (ja) * 2002-09-09 2008-01-30 タイコエレクトロニクスアンプ株式会社 カード用コネクタ
US6969166B2 (en) 2003-05-29 2005-11-29 3M Innovative Properties Company Method for modifying the surface of a substrate
US20040241323A1 (en) * 2003-05-29 2004-12-02 3M Innovative Properties Company Method for applying adhesive to a substrate
AU2003254564A1 (en) * 2003-07-22 2005-02-25 Canon Kabushiki Kaisha Liquid-repellent coating composition and coating having high alkali resistance
AU2003257490A1 (en) * 2003-07-22 2005-02-25 Canon Kabushiki Kaisha Liquid-repellent, alkali-resistant coating composition and coating suitable for pattern forming
DE10341137A1 (de) * 2003-09-06 2005-03-31 Goldschmidt Ag Verwendung von hydroxyfunktionellen Polyalkylorganosiloxanen als Lösungsmittel für kationische Photoinitiatoren für die Verwendung in strahlenhärtbaren Siliconen
JP4651935B2 (ja) * 2003-12-10 2011-03-16 東レ・ダウコーニング株式会社 活性エネルギー線硬化型オルガノポリシロキサン樹脂組成物、光伝送部材および光伝送部材の製造方法
DE10359764A1 (de) * 2003-12-19 2005-07-14 Goldschmidt Ag Polysiloxane mit über SiOC-Gruppen gebundenen (Meth)acrylsäureestergruppen, Verfahren zu deren Herstellung sowie deren Verwendung als strahlenhärtbare abhäsive Beschichtung
CN100371387C (zh) * 2004-12-20 2008-02-27 中国科学院广州化学研究所 两种环氧化硅油改性环氧树脂复合材料
DE102005002960A1 (de) * 2005-01-21 2006-08-03 Leibniz-Institut Für Neue Materialien Gemeinnützige Gmbh Kompositzusammensetzung für mikrogemusterte Schichten mit hohem Relaxationsvermögen, hoher chemischer Beständigkeit und mechanischer Stabilität
DE102006008387A1 (de) * 2006-02-21 2007-08-30 Goldschmidt Gmbh Verfahren zur Herstellung von siloxanhaltigen Trennbeschichtungen
DE102006027339A1 (de) * 2006-06-13 2007-12-20 Goldschmidt Gmbh Kationisch strahlenhärtende Controlled Release Beschichtungsmassen
US20070290378A1 (en) * 2006-06-20 2007-12-20 International Business Machines Corporation Novel reworkable underfills for ceramic mcm c4 protection
DE102006033280A1 (de) * 2006-07-18 2008-01-24 Leibniz-Institut Für Neue Materialien Gemeinnützige Gmbh Kompositzusammensetzung für mikrostrukturierte Schichten
DE102007005508A1 (de) 2007-02-03 2008-08-07 Evonik Goldschmidt Gmbh Verfahren zur Reduktion des Trennwert-Anstiegs bei der Herstellung von No-Label-Look-Etiketten
US8334037B2 (en) 2007-05-11 2012-12-18 3M Innovative Properties Company Multi-layer assembly, multi-layer stretch releasing pressure-sensitive adhesive assembly, and methods of making and using the same
WO2011139573A2 (en) 2010-04-28 2011-11-10 3M Innovative Properties Company Silicone-based material
KR20130096161A (ko) 2010-04-28 2013-08-29 쓰리엠 이노베이티브 프로퍼티즈 컴파니 중합체 코팅용 나노실리카-기반 프라이머를 포함하는 물품 및 방법
US9285584B2 (en) 2010-10-06 2016-03-15 3M Innovative Properties Company Anti-reflective articles with nanosilica-based coatings and barrier layer
EP2444450A1 (de) 2010-10-19 2012-04-25 Hinterwaldner Consulting & Partner (Gbr) Zusammensetzungen zur Herstellung abhäsiver Beschichtungen
JP6262410B1 (ja) * 2014-12-30 2018-01-17 スリーエム イノベイティブ プロパティズ カンパニー 水性感圧接着剤組成物
WO2017078193A1 (ko) * 2015-11-04 2017-05-11 (주) 개마텍 광경화 코팅용 조성물 및 코팅막
KR102438686B1 (ko) 2015-12-07 2022-09-01 주식회사 케이씨씨실리콘 초경박리 필름 코팅용 용제형 실리콘 이형 조성물
KR20190062423A (ko) * 2016-10-27 2019-06-05 린텍 가부시키가이샤 박리 시트
JP7285619B2 (ja) * 2017-02-03 2023-06-02 リンテック株式会社 剥離シートおよび剥離シートの製造方法
JP6852720B2 (ja) * 2017-10-12 2021-03-31 東洋紡株式会社 セラミックグリーンシート製造用離型フィルム
JP6822549B2 (ja) * 2017-12-27 2021-01-27 東洋紡株式会社 セラミックグリーンシート製造用離型フィルム

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE511062A (de) * 1949-10-27
US2876394A (en) * 1954-07-29 1959-03-03 Gen Electric Panel interior mounting means
US3342625A (en) * 1964-08-11 1967-09-19 Norton Co Maleamic acid-vinyl copolymer release agent for pressure-sensitive adhesive tape
US3527659A (en) * 1966-06-13 1970-09-08 Dow Corning Dimethylpolysiloxanes and copolymers containing sio2 units as release agent
US3770687A (en) * 1971-07-27 1973-11-06 Gaf Corp Controlled release coating composition and process
US3957724A (en) * 1973-12-11 1976-05-18 Minnesota Mining And Manufacturing Company Stratum having release properties and method of making
US4279717A (en) * 1979-08-03 1981-07-21 General Electric Company Ultraviolet curable epoxy silicone coating compositions
US4313988A (en) * 1980-02-25 1982-02-02 Minnesota Mining And Manufacturing Company Epoxypolysiloxane release coatings for adhesive materials
US4576999A (en) * 1982-05-06 1986-03-18 General Electric Company Ultraviolet radiation-curable silicone release compositions with epoxy and/or acrylic functionality
US4547431A (en) * 1983-06-20 1985-10-15 General Electric Company Ultraviolet radiation-curable silicone controlled release compositions
JPS61200129A (ja) * 1985-02-28 1986-09-04 Toray Silicone Co Ltd 新規なオルガノポリシロキサン化合物およびその製造方法
US4822687A (en) * 1988-01-22 1989-04-18 Minnesota Mining And Manufacturing Company Silicone release compositions
US4952657A (en) * 1988-07-29 1990-08-28 General Electric Company Silicone release coating compositions
FI900741A0 (fi) * 1989-04-03 1990-02-14 Gen Electric Med ultraviolett straolning haerdbart epoxisilikon-/polyolsystem.
US4994299A (en) * 1989-06-22 1991-02-19 General Electric Company Substantially odor free, UV curable organopolysiloxane release coating compositions and coating method
US4954364A (en) * 1989-06-22 1990-09-04 General Electric Company Method for coating substrates with UV curable epoxysilicone compositions
US4988741A (en) * 1989-11-27 1991-01-29 General Electric Company Controlled release compositions and use
US5158991A (en) * 1990-08-24 1992-10-27 General Electric Company Epoxy-functionalized siloxane resin copolymers as controlled release additives

Also Published As

Publication number Publication date
AU2666992A (en) 1993-05-21
JP3415149B2 (ja) 2003-06-09
EP0608273A1 (de) 1994-08-03
AU659222B2 (en) 1995-05-11
JPH07500367A (ja) 1995-01-12
ES2102520T3 (es) 1997-08-01
KR0130577B1 (ko) 1998-04-03
US5217805A (en) 1993-06-08
DE69220076T2 (de) 1997-11-13
CA2119464A1 (en) 1993-04-29
WO1993008238A1 (en) 1993-04-29
EP0608273B1 (de) 1997-05-28

Similar Documents

Publication Publication Date Title
DE69220076D1 (de) Uv-hartbare trennmittel-uberzugsmischungen
DE69208085D1 (de) Strahlenhärtbare Vinyl/Silikon-Trennmittelüberzug
DK1468679T3 (da) Tramadolholdig formulering med styret frigivelse
DE69232668T2 (de) Granitartige beschichtung
DE69320241D1 (de) Chemisch amplifizierte Resistzusammensetzung
DE69318856T2 (de) Beschichtete Formkörper
DE69322946D1 (de) Photolackzusammensetzung
DE69228335T2 (de) Beschichtungsgemischzusammensetzungen
DE69301999D1 (de) Photoresist Zusammensetzung
DE69405785D1 (de) Fluorosiloxantrennmittelzusammensetzungen
DE69330631T2 (de) Trennmittel
DE69325564D1 (de) Beschichtungsvorrichtung
DE69233090D1 (de) Trennmittel
DE69213708D1 (de) Beschichtungsvorrichtung
NO942305D0 (no) Belegningsmaterialer
DE69210542D1 (de) Beschichtungsmittel
DE69313189T2 (de) Beschichtungszusammensetzung
KR920014773U (ko) 조절방출용 조합품
DE59409547D1 (de) Trennmittel
FI98746C (fi) Päällystyslaite
DE69418257D1 (de) Trennmittelzufuhrsystem
DE69303215D1 (de) Überzugzusammensetzung
NO924718L (no) Beleggsammensetninger
DE69304783D1 (de) Rostschutzmittel
NO924261D0 (no) To-komponentsystem for belegning

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee