FR2362888A1 - PROCESS FOR IMPROVING THE WATER RESISTANCE OF MOLDED OBJECTS CONSTITUTED OF A PULLULANE POLYURONIDE MIXTURE - Google Patents

PROCESS FOR IMPROVING THE WATER RESISTANCE OF MOLDED OBJECTS CONSTITUTED OF A PULLULANE POLYURONIDE MIXTURE

Info

Publication number
FR2362888A1
FR2362888A1 FR7725525A FR7725525A FR2362888A1 FR 2362888 A1 FR2362888 A1 FR 2362888A1 FR 7725525 A FR7725525 A FR 7725525A FR 7725525 A FR7725525 A FR 7725525A FR 2362888 A1 FR2362888 A1 FR 2362888A1
Authority
FR
France
Prior art keywords
polyuronide
mixture
water
pullulan
pullulane
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.)
Granted
Application number
FR7725525A
Other languages
French (fr)
Other versions
FR2362888B1 (en
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.)
Sumitomo Chemical Co Ltd
Original Assignee
Sumitomo Chemical 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 Sumitomo Chemical Co Ltd filed Critical Sumitomo Chemical Co Ltd
Publication of FR2362888A1 publication Critical patent/FR2362888A1/en
Application granted granted Critical
Publication of FR2362888B1 publication Critical patent/FR2362888B1/fr
Granted 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
    • C08L5/00—Compositions of polysaccharides or of their derivatives not provided for in groups C08L1/00 or C08L3/00

Abstract

On met sous une forme désirée un mélange de pullulane ou d'un dérivé du pullulane soluble dans l'eau, d'eau et d'au moins un polyuronide ou sel de polyuronide soluble dans l'eau, on plonge ou on immerge l'article façonné résultant dans une solution d'un ion métallique, ou on applique, étale comme une peinture ou pulvérise la solution d'ion métallique sur l'article façonné résultant, puis on sèche l'article en pullulane obtenu, cet article pouvant aussi être préparé par extrusion dudit mélange en articles façonnés dans la solution d'ion métallique, puis par séchage des articles en pullulane obtenus. Applications : fabrication de films et de feuilles, de capsules, bouteilles, fibres et similaires, résistant à l'eau et à l'humidité.A mixture of pullulan or a water-soluble pullulan derivative, water and at least one water-soluble polyuronide or polyuronide salt is put into a desired form, immersed or immersed. The resulting shaped article in a solution of a metal ion, or the metal ion solution is applied, painted or sprayed onto the resulting shaped article, and then the resulting pullulan article is dried, which article can also be prepared by extruding said mixture into shaped articles in the metal ion solution, followed by drying the resulting pullulan articles. Applications: manufacture of films and sheets, caps, bottles, fibers and the like, resistant to water and humidity.

FR7725525A 1976-08-24 1977-08-22 PROCESS FOR IMPROVING THE WATER RESISTANCE OF MOLDED OBJECTS CONSTITUTED OF A PULLULANE POLYURONIDE MIXTURE Granted FR2362888A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10130176A JPS5326867A (en) 1976-08-24 1976-08-24 Method of endowment of waterrproof ability of formed product belonging to poluran series

Publications (2)

Publication Number Publication Date
FR2362888A1 true FR2362888A1 (en) 1978-03-24
FR2362888B1 FR2362888B1 (en) 1981-10-16

Family

ID=14296980

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7725525A Granted FR2362888A1 (en) 1976-08-24 1977-08-22 PROCESS FOR IMPROVING THE WATER RESISTANCE OF MOLDED OBJECTS CONSTITUTED OF A PULLULANE POLYURONIDE MIXTURE

Country Status (4)

Country Link
JP (1) JPS5326867A (en)
DE (1) DE2737947A1 (en)
FR (1) FR2362888A1 (en)
GB (1) GB1559644A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10568839B2 (en) 2011-01-11 2020-02-25 Capsugel Belgium Nv Hard capsules
US11319566B2 (en) 2017-04-14 2022-05-03 Capsugel Belgium Nv Process for making pullulan
US11576870B2 (en) 2017-04-14 2023-02-14 Capsugel Belgium Nv Pullulan capsules

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60219238A (en) * 1984-04-14 1985-11-01 Hayashibara Biochem Lab Inc Formed product containing slowly disintegrating pullulan and its production
FR2705965B1 (en) * 1993-06-04 1995-08-25 Creca Sa Composition for the production of an essentially biodegradable film and film thus obtained.
DE19737481A1 (en) * 1997-08-28 1999-03-04 Hoechst Ag Microparticles containing spherical linear polysaccharides
EP1184033A1 (en) * 2000-09-01 2002-03-06 Warner-Lambert Company Pectin film compositions
US9579292B1 (en) 2016-11-21 2017-02-28 Karl Wei Cao Film forming hard capsule solution
US9700518B1 (en) 2016-11-21 2017-07-11 Karl Wei Cao Dip molding process for the manufacture of hard capsule shells

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR977831A (en) * 1942-11-21 1951-04-05 Sipren Ets Improvements in manufacturing processes for parts, in the form of sheets, by molding, etc., in a plastic and hardenable material
FR2262671A1 (en) * 1974-03-01 1975-09-26 Sumitomo Chemical Co
FR2264896A1 (en) * 1974-03-20 1975-10-17 Sumitomo Chemical Co

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR977831A (en) * 1942-11-21 1951-04-05 Sipren Ets Improvements in manufacturing processes for parts, in the form of sheets, by molding, etc., in a plastic and hardenable material
FR2262671A1 (en) * 1974-03-01 1975-09-26 Sumitomo Chemical Co
FR2264896A1 (en) * 1974-03-20 1975-10-17 Sumitomo Chemical Co

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10568839B2 (en) 2011-01-11 2020-02-25 Capsugel Belgium Nv Hard capsules
US11319566B2 (en) 2017-04-14 2022-05-03 Capsugel Belgium Nv Process for making pullulan
US11576870B2 (en) 2017-04-14 2023-02-14 Capsugel Belgium Nv Pullulan capsules
US11878079B2 (en) 2017-04-14 2024-01-23 Capsugel Belgium Nv Pullulan capsules

Also Published As

Publication number Publication date
GB1559644A (en) 1980-01-23
JPS5326867A (en) 1978-03-13
FR2362888B1 (en) 1981-10-16
DE2737947A1 (en) 1978-03-02

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Legal Events

Date Code Title Description
ST Notification of lapse