DE3787204D1 - Verfahren zum Herstellen von lichtstreuenden Platten aus Methakrylharz. - Google Patents

Verfahren zum Herstellen von lichtstreuenden Platten aus Methakrylharz.

Info

Publication number
DE3787204D1
DE3787204D1 DE87304254T DE3787204T DE3787204D1 DE 3787204 D1 DE3787204 D1 DE 3787204D1 DE 87304254 T DE87304254 T DE 87304254T DE 3787204 T DE3787204 T DE 3787204T DE 3787204 D1 DE3787204 D1 DE 3787204D1
Authority
DE
Germany
Prior art keywords
production
light
methacryl resin
scattering plates
scattering
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
DE87304254T
Other languages
English (en)
Other versions
DE3787204T2 (de
Inventor
Kozo Ida
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.)
Mitsubishi Rayon Co Ltd
Original Assignee
Mitsubishi Rayon Co Ltd
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 Mitsubishi Rayon Co Ltd filed Critical Mitsubishi Rayon Co Ltd
Publication of DE3787204D1 publication Critical patent/DE3787204D1/de
Application granted granted Critical
Publication of DE3787204T2 publication Critical patent/DE3787204T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/0236—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B29C39/14—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of indefinite length
    • B29C39/16—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of indefinite length between endless belts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • 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
    • C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
    • C08K3/013—Fillers, pigments or reinforcing additives
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0268—Diffusing elements; Afocal elements characterized by the fabrication or manufacturing method
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0273—Diffusing elements; Afocal elements characterized by the use
    • G02B5/0278—Diffusing elements; Afocal elements characterized by the use used in transmission
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2791/00—Shaping characteristics in general
    • B29C2791/004—Shaping under special conditions
    • B29C2791/008—Using vibrations during moulding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2033/00—Use of polymers of unsaturated acids or derivatives thereof as moulding material
    • B29K2033/04—Polymers of esters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/0002—Condition, form or state of moulded material or of the material to be shaped monomers or prepolymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0018—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
    • B29K2995/0029—Translucent

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Ophthalmology & Optometry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Polymerisation Methods In General (AREA)
  • Moulding By Coating Moulds (AREA)
DE87304254T 1986-05-16 1987-05-13 Verfahren zum Herstellen von lichtstreuenden Platten aus Methakrylharz. Expired - Lifetime DE3787204T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61112137A JPS62268615A (ja) 1986-05-16 1986-05-16 光拡散性メタクリル樹脂板の製造方法

Publications (2)

Publication Number Publication Date
DE3787204D1 true DE3787204D1 (de) 1993-10-07
DE3787204T2 DE3787204T2 (de) 1994-01-13

Family

ID=14579139

Family Applications (1)

Application Number Title Priority Date Filing Date
DE87304254T Expired - Lifetime DE3787204T2 (de) 1986-05-16 1987-05-13 Verfahren zum Herstellen von lichtstreuenden Platten aus Methakrylharz.

Country Status (6)

Country Link
US (1) US4839125A (de)
EP (1) EP0246806B1 (de)
JP (1) JPS62268615A (de)
AU (1) AU611852B2 (de)
DE (1) DE3787204T2 (de)
NZ (1) NZ220307A (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0439307B1 (de) * 1990-01-23 1995-04-12 Nevamar Corporation Verfahren und Vorrichtung zum kontinuierlichen Giessen von polymerisierbaren wärmehärtenden Materialien
US5260006A (en) * 1990-01-23 1993-11-09 Nevamar Corporation Method and apparatus for continuous casting of polymerizable thermosetting material
US5183600A (en) * 1991-07-19 1993-02-02 Nevamar Corporation Method and apparatus for continuous casting of polymerizable material
US5372493A (en) * 1993-05-13 1994-12-13 Rodgers; Gary C. Continuous casting apparatus using two moving belts
WO1999038036A1 (fr) * 1998-01-26 1999-07-29 Shiseido Co., Ltd Diffuseur, dispositif d'eclairage et affichage a cristaux liquides
AU2003274597A1 (en) * 2002-12-03 2004-06-23 Koninklijke Philips Electronics N.V. Manufacturing of lens elements
US20060078640A1 (en) * 2002-12-10 2006-04-13 Hajime Okutsu Belt type continuous plate manufacturing apparatus and method of manufacturing sheet polymer
JP4187517B2 (ja) * 2002-12-10 2008-11-26 三菱レイヨン株式会社 ベルト式連続製板装置および板状重合物の製造方法
US20060071363A1 (en) * 2003-01-07 2006-04-06 Mitsubishi Rayon Co., Ltd Belt type continuous plate manufacturing device and method of manufacturing sheet polymer
JP2004209868A (ja) * 2003-01-07 2004-07-29 Mitsubishi Rayon Co Ltd 板状製品の製造方法
JPWO2005022208A1 (ja) * 2003-08-28 2007-11-22 三洋電機株式会社 表面微細構造をもつメタクリル系樹脂キャスト板及びその製造方法
DE112015005758T5 (de) * 2014-12-26 2017-10-05 Panasonic Intellectual Property Management Co., Ltd. Verfahren für ein Herstellen eines dreidimensionalen Formlings
CN105038061A (zh) * 2015-05-18 2015-11-11 浙江龙游展宇有机玻璃有限公司 一种导光用压克力板材的生产方法
CN108727531A (zh) * 2018-05-24 2018-11-02 安徽新涛光电科技有限公司 广告发光字用光电功能玻璃制备方法及其制品

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL279820A (de) *
NL269993A (de) * 1900-01-01
US3410934A (en) * 1965-10-11 1968-11-12 Mearl Corp Method for the production of pigmented cast plastic sheets
US3422178A (en) * 1965-10-12 1969-01-14 Monsanto Co Continuous polymer casting machine and process
US3600490A (en) * 1969-07-23 1971-08-17 Du Pont Process of forming a ripple-free structure from a polymerizable material that shrinks upon polymerization
US4041120A (en) * 1970-12-28 1977-08-09 Mitsubishi Rayon Co., Ltd. Process for producing a synthetic resin article having improved resistance to surface abrasion
JPS5212272A (en) * 1975-07-21 1977-01-29 Kyowa Gas Chem Ind Co Ltd Method of continuously casting plate
JPS60210B2 (ja) * 1978-09-19 1985-01-07 三菱レイヨン株式会社 パ−ル板の連続製造方法
US4232078A (en) * 1978-10-13 1980-11-04 Mitsubishi Rayon Company, Limited Multi-colored synthetic resin sheet
US4415509A (en) * 1981-07-07 1983-11-15 Mitsubishi Rayon Company, Ltd. Acrylic laminated diffuser panel having high light-diffusing property and process for preparing same
EP0073450B1 (de) * 1981-08-31 1988-10-26 Mitsubishi Rayon Co., Ltd. Verfahren zur Herstellung eines lichtzerstreuungsfähigen Harzes, und daraus hergestellte Gegenstände mit dekatierter Oberfläche
WO1985005314A1 (en) * 1984-05-16 1985-12-05 Washi Kosan Co., Ltd. Method of continuously producing plastic board and an apparatus therefor

Also Published As

Publication number Publication date
EP0246806A3 (en) 1988-09-14
US4839125A (en) 1989-06-13
EP0246806B1 (de) 1993-09-01
JPS62268615A (ja) 1987-11-21
DE3787204T2 (de) 1994-01-13
AU7267987A (en) 1987-11-19
AU611852B2 (en) 1991-06-27
NZ220307A (en) 1989-03-29
EP0246806A2 (de) 1987-11-25
JPH031131B2 (de) 1991-01-09

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Legal Events

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8364 No opposition during term of opposition