Some content of this application is unavailable at the moment.
If this situation persist, please contact us atFeedback&Contact
1. (WO2019062731) PROCESS FOR EXTRUSION MOULDING POLYMER COMPOUNDS COMPRISING POLY (METH) ACRYLIMIDE FOAM PARTICLES
Latest bibliographic data on file with the International BureauSubmit observation

Pub. No.: WO/2019/062731 International Application No.: PCT/CN2018/107456
Publication Date: 04.04.2019 International Filing Date: 26.09.2018
IPC:
B29C 47/00 (2006.01) ,C08J 9/00 (2006.01)
B PERFORMING OPERATIONS; TRANSPORTING
29
WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
C
SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
47
Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
C CHEMISTRY; METALLURGY
08
ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
J
WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H142
9
Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
Applicants:
EVONIK SPECIALTY CHEMICALS (SHANGHAI) CO., LTD. [CN/CN]; No. 68 Lianhe Road, Chemical Industry Park Shanghai 201507, CN
Inventors:
WILLEMANN, Ricardo Luiz; DE
KONG, Qianwen; CN
HOLLEYN, Denis; DE
SHI, Zhenyuan; CN
YAN, Kaifeng; CN
Agent:
CCPIT PATENT AND TRADEMARK LAW OFFICE; 8th Floor, Vantone New World Plaza 2 Fuchengmenwai Street, Xicheng District Beijing 100037, CN
Priority Data:
PCT/CN2017/10401028.09.2017CN
Title (EN) PROCESS FOR EXTRUSION MOULDING POLYMER COMPOUNDS COMPRISING POLY (METH) ACRYLIMIDE FOAM PARTICLES
(FR) PROCÉDÉ DE MOULAGE PAR EXTRUSION DE COMPOSÉS POLYMÈRES COMPRENANT DES PARTICULES DE MOUSSE DE POLY(MÉTH)ACRYLIMIDE
Abstract:
(EN) The invention relates to a process for extrusion moulding a polymer compound comprising a thermoplastic resin which is melt processible at temperatures of less than 400℃, and poly (meth) acrylimide (P(M)I) foam particles which maintain the particulate form at a temperature at least 120℃ higher than the T g of the thermoplastic resin. The process includes steps of: (a) heating the polymer compound to a temperature 120-240℃ higher than the T g of the thermoplastic resin, and (b) extrusion moulding the polymer compound under an extrusion pressure of 5-300 bar to obtain an extrudate. The extrudate obtained from the method of the present invention achieves significant light weight compared with the reference, and can be widely used in lightweight design.
(FR) L'invention concerne un procédé de moulage par extrusion d'un composé polymère comprenant une résine thermoplastique qui peut être traitée à l'état fondu à des températures inférieures à 400°C et des particules de mousse de poly(méth)acrylimide (P(M)I) qui conservent la forme particulaire à une température supérieure d'au moins 120℃ à la T g de la résine thermoplastique. Le procédé comprend les étapes consistant à: (a) chauffer le composé polymère à une température supérieure de 120-240℃ à la T g de la résine thermoplastique et (b) mouler par extrusion le composé polymère dans un moule dans des conditions de pression d'extrusion de 5-300 bars pour obtenir un extrudat. L'extrudat obtenu au moyen du procédé de la présente invention atteint un poids léger significatif par comparaison avec la référence, et peut être largement utilisé dans une conception légère.
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)