BE638736A - - Google Patents
Info
- Publication number
- BE638736A BE638736A BE638736DA BE638736A BE 638736 A BE638736 A BE 638736A BE 638736D A BE638736D A BE 638736DA BE 638736 A BE638736 A BE 638736A
- Authority
- BE
- Belgium
- Prior art keywords
- emi
- polyesters
- masses
- coatings
- light
- Prior art date
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
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
- C08J3/03—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/20—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the epoxy compounds used
- C08G59/22—Di-epoxy compounds
- C08G59/24—Di-epoxy compounds carbocyclic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/06—Unsaturated polyesters
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Paints Or Removers (AREA)
Description
<EMI ID=1.1> <EMI ID=2.1> constituant époxy, il n'est souvent pas possible de donner des indications précises pour chaque cas; on suppose toutefois, d'une gaçon générale, que les absorbeurs UV transforment <EMI ID=3.1> chaleur, et que le constituant époxy réagit avec les produits secondaires nuisibles, forcée sous l'action de la lumière, <EMI ID=4.1> <EMI ID=5.1> polyesters pour la production d'objets moulée et de revotemente stables à la lumière, du genre précité, qui renferment" comme constituant époxy (4)" ou comme composant de ce der- <EMI ID=6.1> <EMI ID=7.1> En général, les masses de polyesters renfermeront <EMI ID=8.1> <EMI ID=9.1> <EMI ID=10.1> <EMI ID=11.1> les masses de polyesters seront en outre, avantageusement, stabilisées de façon usuelle contre une polymérisa** - tion indésirable, par exemple par une faible quantité d'hydro- <EMI ID=12.1> Le durcissement des masses de polyesters peut-avoir lieu de façon usuelle, par exemple sous l'action do peroxydes, organiques, ainsi que, le cas échéant, d'accélérateurs, tels que sels métalliques ou aminés. <EMI ID=13.1> 'bien pour, moulages et revêtements. Elles permettent d'obtenir, par exemple, des pièces coulées ou des objets moulés renfor- <EMI ID=14.1> b) Plusieurs portions, de 100 parties chacune de la masse de polyesters sont additionnées de quantités différentes " <EMI ID=15.1> <EMI ID=16.1> qu'on durcit pendant 8 heures à température ordinaire, puis <EMI ID=17.1> durcissement, dans un dispositif approprié pour déterminer la stabilité à la lumière, pendant 12 jours, et en partie pendant <EMI ID=18.1> nique. <EMI ID=19.1> <EMI ID=20.1> <EMI ID=21.1> <EMI ID=22.1> se déchire lorsqu'on le retire et ne- se laisse que difficilement enlever. Par contre elle ne colle pas sur la plaque <EMI ID=23.1> <EMI ID=24.1>
Claims (1)
- REVENDICATION.- Masses de polyesters pour moulages et revête- ments, à la lumière, renfermant (1) un ou plusieurs polyesters <EMI ID=25.1>insaturés, (3) un ou plusieurs composés absorbant fortement les rayons à ondes longues du spectre ultraviolet et (4) un <EMI ID=26.1><EMI ID=27.1>
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR950784A FR1371637A (fr) | 1963-10-16 | 1963-10-16 | Masses de polyesters pour la production d'objets moulés et de revêtements stables à la lumière |
Publications (1)
Publication Number | Publication Date |
---|---|
BE638736A true BE638736A (fr) |
Family
ID=8814508
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE638737D BE638737A (fr) | 1963-10-16 | ||
BE638736D BE638736A (fr) | 1963-10-16 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE638737D BE638737A (fr) | 1963-10-16 |
Country Status (3)
Country | Link |
---|---|
BE (2) | BE638736A (fr) |
FR (1) | FR1371637A (fr) |
NL (1) | NL299246A (fr) |
-
0
- BE BE638737D patent/BE638737A/fr unknown
- BE BE638736D patent/BE638736A/fr unknown
- NL NL299246D patent/NL299246A/xx unknown
-
1963
- 1963-10-16 FR FR950784A patent/FR1371637A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL299246A (fr) | |
BE638737A (fr) | |
FR1371637A (fr) | 1964-09-04 |
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