IN2014DN03332A - - Google Patents

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Publication number
IN2014DN03332A
IN2014DN03332A IN3332DEN2014A IN2014DN03332A IN 2014DN03332 A IN2014DN03332 A IN 2014DN03332A IN 3332DEN2014 A IN3332DEN2014 A IN 3332DEN2014A IN 2014DN03332 A IN2014DN03332 A IN 2014DN03332A
Authority
IN
India
Prior art keywords
reaction mixture
sheet
cured
yield
component
Prior art date
Application number
Inventor
Marvin J Graham
George A Galo
Matteo Lagasi
William H Retsch
Original Assignee
Ppg Ind Ohio Inc
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 Ppg Ind Ohio Inc filed Critical Ppg Ind Ohio Inc
Publication of IN2014DN03332A publication Critical patent/IN2014DN03332A/en

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
    • B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B29C39/02—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 definite length, i.e. discrete 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
    • B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B29C39/003—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor characterised by the choice of material
    • B29C39/006—Monomers or prepolymers
    • 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
    • B29C39/22—Component parts, details or accessories; Auxiliary operations
    • B29C39/26—Moulds or cores
    • B29C39/265—Moulds or cores comprising two large plates positioned at a small distance from each other, e.g. for making panels
    • 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
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/24—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 characterised by the choice of material
    • B29C67/246—Moulding high reactive monomers or prepolymers, e.g. by reaction injection moulding [RIM], liquid injection moulding [LIM]
    • 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
    • B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)

Abstract

Described is a method of preparing a cured non elastomeric polymeric sheet derived from a polyisocyanate. The method comprises the following steps: combining a first component (20) and second separate component (22) to form a reaction mixture; introducing the reaction mixture into a preheated sheet mold (10) at a certain minimum fill rate; allowing the reaction mixture to gel; heating the reaction mixture to a temperature and for a time sufficient to yield a cured sheet having a thickness of at least 6.35 mm (0.25 in); and removing the cured sheet from the mold to yield a non elastomeric polymeric sheet. When the active hydrogen functional groups in the second component include hydroxyl groups the first and second components are initially heated to a temperature of at least 50°C. Polyurethane sheets formed by such processes demonstrate minimal optical defects and the process allows for the production of superior sheets of higher thicknesses than previously possible.
IN3332DEN2014 2011-11-01 2012-10-29 IN2014DN03332A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201161554023P 2011-11-01 2011-11-01
US13/661,530 US20130119585A1 (en) 2011-11-01 2012-10-26 Method for preparing polymeric sheets derived from polyisocyanates
PCT/US2012/062385 WO2013066800A1 (en) 2011-11-01 2012-10-29 Method for preparing polymeric sheets derived from polyisocyanates

Publications (1)

Publication Number Publication Date
IN2014DN03332A true IN2014DN03332A (en) 2015-06-05

Family

ID=47178954

Family Applications (1)

Application Number Title Priority Date Filing Date
IN3332DEN2014 IN2014DN03332A (en) 2011-11-01 2012-10-29

Country Status (9)

Country Link
US (1) US20130119585A1 (en)
EP (1) EP2773494A1 (en)
JP (2) JP2015501244A (en)
KR (1) KR20140088178A (en)
CN (1) CN103974814A (en)
HK (1) HK1197212A1 (en)
IN (1) IN2014DN03332A (en)
TW (1) TWI509004B (en)
WO (1) WO2013066800A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20230080373A (en) * 2020-10-07 2023-06-07 가부시끼가이샤 레조낙 Separation method of adhesive set, film, adhesive, and adherend

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2644007A (en) 1951-10-08 1953-06-30 Du Pont Preparation of polyamine hydrochlorides and polyisocyanates
US2680127A (en) 1952-01-02 1954-06-01 Monsanto Chemicals Method of making organic isocyanates
US2908703A (en) 1955-08-16 1959-10-13 Harold K Latourette Preparation of aromatic isocyanates
GB1239701A (en) * 1969-01-27 1971-07-21 Ici Ltd
US3755262A (en) * 1971-01-15 1973-08-28 Goodyear Aerospace Corp Transparent high-impact polyurethane products
US3894024A (en) * 1971-12-03 1975-07-08 Ppg Industries Inc Method for casting resins
US4101529A (en) * 1976-02-04 1978-07-18 Ppg Industries, Inc. Hard, optically clear polyurethane articles
US4160853A (en) 1976-04-28 1979-07-10 Ppg Industries, Inc. Catalyst for making polycarbonate diols for use in polycarbonate urethanes
US4495309A (en) * 1984-05-15 1985-01-22 The Dow Chemical Company Reaction injection molded polyurethanes, polyureas and polyurea-urethanes employing thiapolycyclic polyisocyanates
JPH01129026A (en) * 1987-11-12 1989-05-22 Nichiei Rubber Kk Polyurethane foam and its production
US5693738A (en) 1994-04-08 1997-12-02 Mitsui Toatsu Chemicals, Inc. Composition for urethane-base plastic lens, urethane-base plastic lens obtained from the composition, and process for the production of the plastic lens
US5811506A (en) 1997-02-03 1998-09-22 Simula Inc. Extrudable thermoplastic elastomeric urea-extended polyurethane
JP2827008B2 (en) * 1997-02-14 1998-11-18 三洋化成工業株式会社 Polyurethane resin-forming composition for casting
US7009032B2 (en) 2002-12-20 2006-03-07 Ppg Industries Ohio, Inc. Sulfide-containing polythiols
KR101029309B1 (en) * 2002-12-27 2011-04-13 디아이씨 가부시끼가이샤 Polyurethane foam sheet and process for producing layered sheet with the same
US20090280709A1 (en) * 2004-09-01 2009-11-12 Ppg Industries Ohio, Inc. Polyurethanes, Articles and Coatings Prepared Therefrom and Methods of Making the Same
US8372317B2 (en) * 2007-02-28 2013-02-12 Hoya Corporation Method of casting plastic lens starting material liquid and casting apparatus and method of manufacturing plastic lens
US20080274343A1 (en) * 2007-05-01 2008-11-06 The Diller Corporation Thick solid surface laminate product and method of making same
US8778246B2 (en) * 2008-10-31 2014-07-15 Ppg Industries Ohio, Inc Method for preparing polyurethane urea-containing films

Also Published As

Publication number Publication date
JP2016035078A (en) 2016-03-17
CN103974814A (en) 2014-08-06
US20130119585A1 (en) 2013-05-16
HK1197212A1 (en) 2015-01-09
JP2015501244A (en) 2015-01-15
WO2013066800A1 (en) 2013-05-10
KR20140088178A (en) 2014-07-09
EP2773494A1 (en) 2014-09-10
TWI509004B (en) 2015-11-21
TW201323494A (en) 2013-06-16

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