WO2023228123 - ANTI-DRIP POLYCARBONATE COMPOSITIONS
National phase entry:
Publication Number
WO/2023/228123
Publication Date
30.11.2023
International Application No.
PCT/IB2023/055376
International Filing Date
25.05.2023
Title **
[English]
ANTI-DRIP POLYCARBONATE COMPOSITIONS
[French]
COMPOSITIONS DE POLYCARBONATE ANTI-GOUTTE
Applicants **
SHPP GLOBAL TECHNOLOGIES B.V.
Inventors
VOLLENBERG, Peter Hendrikus Theodorus
EVANS, Tom L.
Priority Data
22175415.3
25.05.2022
EP
Application details
| Total Number of Claims/PCT | * |
| Number of Independent Claims | * |
| Number of Priorities | * |
| Number of Multi-Dependent Claims | * |
| Number of Drawings | * |
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International Searching Authority |
EPO
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| Recordal of a Change of the Applicant's Name/Address |
Change of Applicant's Name and Address
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| Type of Assignment |
The Standard Agent's Assignment
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| Applicant's Legal Status |
Legal Entity
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| * | |
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| Entry into National Phase under |
Chapter I
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| Patent Delivery |
Send the Letters Patent by Courier
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| Translation |
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* The data is based on automatic recognition. Please verify and amend if necessary.
** IP-Coster compiles data from publicly available sources. If this data includes your personal information, you can contact us to request its removal.
Quotation for National Phase entry
| Country | Stages | Total | |
|---|---|---|---|
| China | Filing, Examination, Granting | 2092 | |
| EPO | Filing, Examination, Granting | 8469 | |
| Japan | Filing, Examination, Granting | 2198 | |
| South Korea | Filing, Examination, Granting | 2025 | |
| USA | Filing, Examination, Granting | 4740 |
Total:
19,524
The term for entry into the National Phase has expired. This quotation is for informational purposes only
Abstract[English]
A polycarbonate composition comprises a linear homopolycarbonate and optionally, a styrene- containing copolymer; a poly(carbonate-siloxane) comprising about 10 wt% to less than about 30 wt% siloxane, present in amount effective to provide about 1 to about 6 wt% siloxane, based on the total weight of the composition; an ultra-high molecular weight polydimethylsiloxane, present in an amount effective to provide greater than about 0.3 to less than about 0.9 wt% siloxane, based on the total weight of the composition; a flame retardant; and optionally, an additive composition. Molded samples of the polycarbonate compositions have a UL94 flame test rating or V-0 at a 1.5 mm thickness, exhibit anti-drip properties, and can be essentially halogen-free, i.e., the polycarbonate compositions include about 900 parts per million (ppm) or less of each of chlorine, bromine, and optionally fluorine and also include about 1500 ppm or less of total chlorine, bromine, and fluorine content.[French]
L'invention concerne une composition de polycarbonate comprenant un homopolycarbonate linéaire et éventuellement un copolymère contenant du styrène ; un poly(carbonate-siloxane) comprenant environ 10 % en poids à moins d'environ 30 % en poids de siloxane, présent en une quantité efficace pour fournir d'environ 1 à environ 6 % en poids de siloxane, sur la base du poids total de la composition ; un polydiméthylsiloxane de poids moléculaire ultra-élevé, présent en une quantité efficace pour fournir plus d'environ 0,3 à moins d'environ 0,9 % en poids de siloxane, sur la base du poids total de la composition ; un retardateur de flamme ; et éventuellement, une composition d'additif. Les échantillons moulés des compositions de polycarbonate ont un indice d'essai de flamme UL94 ou V-0 à une épaisseur de 1,5 mm, présentent des propriétés anti-goutte, et peuvent être essentiellement exempts d'halogène, c'est-à-dire que les compositions de polycarbonate comprennent environ 900 parties par million (ppm) ou moins de chacun parmi le chlore, le brome et éventuellement le fluor et comprennent également environ 1500 ppm ou moins de teneur totale en chlore, brome et fluor.