ES8306769A1 - Procedimiento para la produccion de un cuerpo moldeado de poros abiertos a base de poli (vinilacetales). - Google Patents

Procedimiento para la produccion de un cuerpo moldeado de poros abiertos a base de poli (vinilacetales).

Info

Publication number
ES8306769A1
ES8306769A1 ES516914A ES516914A ES8306769A1 ES 8306769 A1 ES8306769 A1 ES 8306769A1 ES 516914 A ES516914 A ES 516914A ES 516914 A ES516914 A ES 516914A ES 8306769 A1 ES8306769 A1 ES 8306769A1
Authority
ES
Spain
Prior art keywords
open
shaped articles
articles made
polyvinyl acetals
gas bubbles
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
Application number
ES516914A
Other languages
English (en)
Other versions
ES516914A0 (es
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.)
Hoechst AG
Original Assignee
Hoechst AG
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 Hoechst AG filed Critical Hoechst AG
Publication of ES516914A0 publication Critical patent/ES516914A0/es
Publication of ES8306769A1 publication Critical patent/ES8306769A1/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/36—After-treatment
    • 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
    • C08F8/00—Chemical modification by after-treatment
    • C08F8/48—Isomerisation; Cyclisation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/30—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by mixing gases into liquid compositions or plastisols, e.g. frothing with air
    • 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
    • C08F2800/00—Copolymer characterised by the proportions of the comonomers expressed
    • C08F2800/20—Copolymer characterised by the proportions of the comonomers expressed as weight or mass percentages
    • 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
    • C08F2810/00—Chemical modification of a polymer
    • C08F2810/20—Chemical modification of a polymer leading to a crosslinking, either explicitly or inherently

Abstract

METODO DE OBTENCION DE OBJETOS MOLDEADOS, DE POROS ABIERTOS, A BASE DE POLI (VINILACETALES), MEDIANTE ACETILACION DE POLIMEROS VINILICOS. CONSISTEN EN LA REACCION DE ACETILACION DE POLI (ALCOHOL VINILICO), EN DISOLUCION ACUOSA, CON UN COPOLIMERO DE ACETATO DE VINILO/ACETILENO, EN DISPERSION ACUOSA, EN PRESENCIA DE UN AGENTE HUMECTANTE, A UNA TEMPERATURA COMPRENDIDA ENTRE 50 C Y 100 C; SEGUIDA DE LA REACCION DE LA MEZCLA CON UN ALDEHIDO ALIFATICO, TAL COMO FORMALDEHIDO O UN COMPUESTO CAPAZ DE DESPRENDERLO. ESTOS PRODUCTOS TIENEN APLICACIONES COMO ESPONJAS PARA AUTOMOVILES O PARA BAÑO.
ES516914A 1981-10-31 1982-10-28 Procedimiento para la produccion de un cuerpo moldeado de poros abiertos a base de poli (vinilacetales). Expired ES8306769A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19813143272 DE3143272A1 (de) 1981-10-31 1981-10-31 Offenporiger formkoerper auf basis von polyvinylacetalen und verfahren zu seiner herstellung

Publications (2)

Publication Number Publication Date
ES516914A0 ES516914A0 (es) 1983-06-16
ES8306769A1 true ES8306769A1 (es) 1983-06-16

Family

ID=6145303

Family Applications (1)

Application Number Title Priority Date Filing Date
ES516914A Expired ES8306769A1 (es) 1981-10-31 1982-10-28 Procedimiento para la produccion de un cuerpo moldeado de poros abiertos a base de poli (vinilacetales).

Country Status (8)

Country Link
US (1) US4430447A (es)
EP (1) EP0079501B1 (es)
JP (1) JPS5887133A (es)
CA (1) CA1186450A (es)
DE (2) DE3143272A1 (es)
DK (1) DK481682A (es)
ES (1) ES8306769A1 (es)
NO (1) NO823613L (es)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6018105A (ja) * 1983-07-11 1985-01-30 株式会社西原商会 指輪の回り止め具
JPH02263838A (ja) * 1989-04-03 1990-10-26 Sanwa Kako Kk ポリビニルアセタール系スポンジの製造方法
CA2170510C (en) * 1993-09-17 2004-03-30 Harold Herbert Hopfe Rough-surfaced polyvinyl butyral sheet and method of forming same
US6130264A (en) 1994-10-06 2000-10-10 Xomed Surgical Products, Inc. Synthetic sponge and surgical spear comprising synthetic sponge
US6080092A (en) * 1994-10-06 2000-06-27 Xomed Surgical Products, Inc. Industrial cleaning sponge
US6004402A (en) * 1994-10-06 1999-12-21 Xomed Surgical Products, Inc. Method of cleaning silicon material with a sponge
US5843060A (en) * 1997-01-02 1998-12-01 Xomed Surgical Products, Inc. Non-adherent nasal, sinus and otic packing and method for processing sponge materials in fabrication of packings
JP3306432B2 (ja) * 1997-02-21 2002-07-24 アイオン株式会社 スポンジシート
AT406053B (de) * 1997-09-10 2000-02-25 Petruzalek Ges M B H Verwendung von biologisch abbaubaren, geschäumten polymeren als verpackungsmaterialien
US6269820B1 (en) * 1998-02-26 2001-08-07 Xomed Surgical Products, Inc. Method of controlling post-operative leakage associated with tumescent liposuction
US6608117B1 (en) 2001-05-11 2003-08-19 Nanosystems Research Inc. Methods for the preparation of cellular hydrogels
JP5019700B2 (ja) * 2004-07-21 2012-09-05 日本合成化学工業株式会社 ポリビニルアセタール多孔質体
ITMI20132180A1 (it) * 2013-12-20 2015-06-21 Daniele Cerabino Attrezzo per il potenziamento e la riabilitazione muscolare in acqua
CN112831088A (zh) * 2021-01-19 2021-05-25 温州劲泰新材料有限公司 一种可吸附VOCs的EVA发泡材料的制备方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1117304B (de) * 1953-01-16 1961-11-16 Christopher Lumley Wilson Verfahren zur Herstellung von Schwammkoerpern
DE2931035A1 (de) * 1979-07-31 1981-02-19 Bayer Ag Gas- und aromadichtes verpackungsmaterial
DE2948508A1 (de) * 1979-12-01 1981-06-04 Hoechst Ag, 6000 Frankfurt Offenporiger formkoerper aus acetalisiertem polyvinylalkohol und verfahren zu seiner herstellung

Also Published As

Publication number Publication date
EP0079501B1 (de) 1986-07-30
US4430447A (en) 1984-02-07
ES516914A0 (es) 1983-06-16
CA1186450A (en) 1985-04-30
EP0079501A3 (en) 1983-06-22
JPS5887133A (ja) 1983-05-24
NO823613L (no) 1983-05-02
DE3272357D1 (en) 1986-09-04
DK481682A (da) 1983-05-01
DE3143272A1 (de) 1983-05-11
EP0079501A2 (de) 1983-05-25

Similar Documents

Publication Publication Date Title
ES8306769A1 (es) Procedimiento para la produccion de un cuerpo moldeado de poros abiertos a base de poli (vinilacetales).
GB729953A (en) A process of preparing closed-cell, gas-containing bodies
JPS57100913A (en) Silicon dioxide having pure porosity and manufacture of chromium oxide catalyst carrying said silicon dioxide
US3382090A (en) Process of making hydrophilic polyurethane foam body
DE50012568D1 (de) Verfahren zur Herstellung von Partikelfoermigen, Expandierbaren Propylenpolymerisaten
GB1494152A (en) Process for producing porous thermoplastic resin sheet
JPS57164115A (en) Semiflexible foam polymer packaging
WO1988009801A1 (en) Foamed polymeric materials and method for preparing the same
ES453079A1 (es) Un metodo para preparar una espuma de un polimero clorado decloruro de vinilo.
JPS5452195A (en) Production of porous polyvinyl acetal material with excellent flasticity when dried
CN113583465A (zh) 一种高延展性的海绵材料及制备工艺
FR2282988A1 (fr) Procede de preparation de pieces expansees en polychlorure de vinyle
JPS55149328A (en) Preparation of foamed vinyl chloride resin molded article
JPS5575438A (en) Resin composition for injection molding
JPS5712033A (en) Polymer composition for open-cell foam
GB2014153A (en) Foamed ethylene copolymer articles
JPS5710671A (en) Fixing method of exterior trim material on car body surface
EP0031040A3 (de) Offenporiger Formkörper aus acetalisiertem Polyvinylalkohol und Verfahren zu seiner Herstellung
ES8405827A1 (es) Procedimiento de obtencion de articulos de resinas de cloruro de vinilo expandidas o espumadas.
JPS5628260A (en) Adhesive for odorless plywood
JPS5443982A (en) Preparation of porous polyolefin sheet
JPS5714607A (en) Suspension polymerization of vinyl chloride
GB1195823A (en) Process for the production of Open-Pore Foamed Polyvinylchloride
JPS54102363A (en) Preparation of foamed vinyl chloride resin
JPS54110293A (en) Production of porous material of polyvinyl acetal