MX338255B - Modelo asistido por ultrasonido de articulos conformados de manera precisa y metodos. - Google Patents

Modelo asistido por ultrasonido de articulos conformados de manera precisa y metodos.

Info

Publication number
MX338255B
MX338255B MX2013010358A MX2013010358A MX338255B MX 338255 B MX338255 B MX 338255B MX 2013010358 A MX2013010358 A MX 2013010358A MX 2013010358 A MX2013010358 A MX 2013010358A MX 338255 B MX338255 B MX 338255B
Authority
MX
Mexico
Prior art keywords
mold
polymer
molten
until
ultrasonic
Prior art date
Application number
MX2013010358A
Other languages
English (en)
Other versions
MX2013010358A (es
Inventor
Stanley Rendon
Dennis E Ferguson
Donald L Pochardt
Joseph S Warner
Timothy J Rowell
Peter T Benson
Satinder K Nayar
Original Assignee
3M Innovative Properties 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 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Publication of MX2013010358A publication Critical patent/MX2013010358A/es
Publication of MX338255B publication Critical patent/MX338255B/es

Links

Classifications

    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/72—Heating or cooling
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/72—Heating or cooling
    • B29C45/73—Heating or cooling of the mould
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0025—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/56—Means for plasticising or homogenising the moulding material or forcing it into the mould using mould parts movable during or after injection, e.g. injection-compression moulding
    • B29C45/568—Applying vibrations to the mould parts
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/72—Heating or cooling
    • B29C45/7207—Heating or cooling of the moulded articles
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/76—Measuring, controlling or regulating
    • B29C45/78—Measuring, controlling or regulating of temperature
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F220/00—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 a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/04—Acids; Metal salts or ammonium salts thereof
    • C08F220/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/72—Heating or cooling
    • B29C45/73—Heating or cooling of the mould
    • B29C2045/7393—Heating or cooling of the mould alternately heating and cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2011/00—Optical elements, e.g. lenses, prisms

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

Se describe un sistema y método de moldeo por inyección, asistido por ultrasonido para elaborar artículos conformados de manera precisa. Una fuente de energía ultrasónica es colocada para aplicar la energía vibracional a una cavidad del molde conectada a al menos una compuerta en comunicación de flujo con una fuente de (co)polímero fundido. El molde es calentado a una temperatura de 104-116°C, y el (co)polímero fundido es inyectado dentro de la cavidad del molde. Después del enfriamiento el molde hasta que el (co) polímero fundido dentro de la compuerta se ha solidificado, es aplicada la energía ultrasónica al molde sin volver a fundir el (co)polímero solidificado dentro de la compuerta, hasta que la temperatura incrementa hasta 116-122°C, con lo cual se almea sustancialmente las tensiones inducidas por el flujo. El molde es luego enfriado hasta que la temperatura disminuye a 101-107°C, y es después de esto calentado hasta que la temperatura se incremente a 116-122°C, con lo cual se alinean sustancialmente cualesquiera tensiones térmicamente inducidas. El molde es enfriado hasta que el (co)polímero fundido se ha solidificado, con lo cual se forma un elemento óptico de plástico, moldeado de precisión.
MX2013010358A 2011-03-15 2012-03-14 Modelo asistido por ultrasonido de articulos conformados de manera precisa y metodos. MX338255B (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201161452925P 2011-03-15 2011-03-15
PCT/US2012/029035 WO2012125697A2 (en) 2011-03-15 2012-03-14 Ultrasonic-assisted molding of precisely-shaped articles and methods

Publications (2)

Publication Number Publication Date
MX2013010358A MX2013010358A (es) 2013-11-20
MX338255B true MX338255B (es) 2016-04-11

Family

ID=46831310

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2013010358A MX338255B (es) 2011-03-15 2012-03-14 Modelo asistido por ultrasonido de articulos conformados de manera precisa y metodos.

Country Status (7)

Country Link
US (1) US9289931B2 (es)
EP (1) EP2686152B1 (es)
JP (1) JP5908928B2 (es)
KR (1) KR20140018278A (es)
CN (1) CN103442876B (es)
MX (1) MX338255B (es)
WO (1) WO2012125697A2 (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8891171B2 (en) 2010-02-01 2014-11-18 Dbm Reflex Enterprises Inc. High sag thick lens for use in an illumination apparatus
TW201831304A (zh) * 2016-11-03 2018-09-01 美商壯生和壯生視覺關懷公司 薄壁光學組件的超音波模製
WO2019097445A1 (en) * 2017-11-16 2019-05-23 3M Innovative Properties Company Polymer matrix composites comprising thermally conductive particles and methods of making the same
WO2020100008A1 (en) * 2018-11-13 2020-05-22 Sabic Global Technologies B.V. Method of injection molding a thermoplastic article
KR20200113850A (ko) * 2019-03-26 2020-10-07 주식회사 엘지화학 사출 성형 장치 및 사출 성형 방법
DE102019204566A1 (de) * 2019-04-01 2020-10-01 Robert Bosch Gmbh Verfahren und Vorrichtung zur generativen Fertigung eines dreidimensionalen Werkstücks aus einer Schmelze
CN112248359A (zh) * 2020-09-28 2021-01-22 徐君东 一种定向反光膜的制作工艺
CN113733482A (zh) * 2021-09-07 2021-12-03 江苏爱友新材料科技有限公司 一种防止产生气泡的耐磨高弹可降解塑料制品成型装置

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US3246055A (en) * 1962-08-17 1966-04-12 Union Carbide Corp Applying ultrasonic vibration to thermoplastic polymers during molding
JPS58140222A (ja) * 1982-02-17 1983-08-19 Hitachi Ltd プラスチツクレンズの製造方法及びそのための装置
EP0153075B1 (en) * 1984-02-06 1989-07-19 Inoue-Japax Research Incorporated Injection molding machine with auxiliary packing means
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JPH05329866A (ja) 1992-06-01 1993-12-14 Mechatro Joban Internatl:Kk 射出成形法
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JP3188008B2 (ja) 1993-01-21 2001-07-16 イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー 合成樹脂の射出成形方法および射出成形装置
JPH06328451A (ja) * 1993-05-21 1994-11-29 Sumitomo Electric Ind Ltd 樹脂成形方法
GB2306378A (en) 1995-10-21 1997-05-07 Univ Warwick Injection moulding apparatus
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US6464485B1 (en) * 1999-06-24 2002-10-15 Pioneer Corporation Ultrasonic injection mold for an optical disk
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US6416690B1 (en) * 2000-02-16 2002-07-09 Zms, Llc Precision composite lens
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CN1822932A (zh) 2003-07-16 2006-08-23 出光兴产株式会社 针对树脂材料的超声波振动施加装置，使用此超声波施加装置的树脂材料的熔化成型方法及树脂组成物
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JP2005238456A (ja) * 2004-02-24 2005-09-08 Sumitomo Chemical Co Ltd 偏肉大型導光板の製造方法
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EP2266776A1 (de) * 2009-06-27 2010-12-29 Bayer MaterialScience AG Verfahren und Vorrichtung zur Herstellung von dickwandigen Kunststoff-Bauteilen, insbesondere optischen Bauteilen

Also Published As

Publication number Publication date
EP2686152B1 (en) 2016-04-27
WO2012125697A2 (en) 2012-09-20
EP2686152A2 (en) 2014-01-22
CN103442876B (zh) 2016-07-13
JP2014512985A (ja) 2014-05-29
MX2013010358A (es) 2013-11-20
EP2686152A4 (en) 2015-04-15
JP5908928B2 (ja) 2016-04-26
CN103442876A (zh) 2013-12-11
US20130345384A1 (en) 2013-12-26
WO2012125697A3 (en) 2013-01-03
KR20140018278A (ko) 2014-02-12
US9289931B2 (en) 2016-03-22

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