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1. (WO2018065259) POLYESTER SHEET
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Pub. No.: WO/2018/065259 International Application No.: PCT/EP2017/074362
Publication Date: 12.04.2018 International Filing Date: 26.09.2017
IPC:
B29D 7/01 (2006.01) ,B29C 51/08 (2006.01) ,B29C 71/00 (2006.01) ,B29C 59/00 (2006.01)
B PERFORMING OPERATIONS; TRANSPORTING
29
WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
D
PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
7
Producing flat articles, e.g. films or sheets
01
Films or sheets
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
51
Shaping by thermoforming, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
08
Deep-drawing or matched-mould forming, i.e. using mechanical means only
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
71
After-treatment of articles without altering their shape; Apparatus therefor
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
59
Surface shaping, e.g. embossing; Apparatus therefor
Applicants:
SABIC GLOBAL TECHNOLOGIES B.V. [NL/NL]; Plasticslaan 1 4612 PX Bergen op Zoom, NL
Inventors:
BASHEER, Zahir; SA
JOSHI, Rajiva; SA
Agent:
SABIC INTELLECTUAL PROPERTY GROUP; P.O. Box 3008 6160 GA GELEEN, NL
Priority Data:
16192766.007.10.2016EP
Title (EN) POLYESTER SHEET
(FR) FEUILLE DE POLYESTER
Abstract:
(EN) The present invention relates to a sheet comprising polyester, the sheet comprising at least one area (a) where the polyester has a degree of crystallinity of > 10%, and at least one area (b) where the polyester has a degree of crystallinity of < 5 %, wherein the area (a) comprises at least one groove having a depth of 30-50 % with regard to the thickness of the sheet in the area (a), wherein the sheet has a thickness of 200 - 1000 pm in the area (a). Such sheet provides the ability to snap along the grooves in a predictable manner, whilst providing sufficient rigidity to avoid undesired bending under the influence of its own weight.
(FR) La présente invention concerne une feuille comprenant un polyester, la feuille comprenant au moins une zone (a) où le polyester a un degré de cristallinité > 10 %, et au moins une zone (b) où le polyester a un degré de cristallinité < 5 %, la zone (a) comprenant au moins une rainure ayant une profondeur équivalant à 30 à 50 % de l'épaisseur de la feuille dans la zone (a), la feuille ayant une épaisseur de 200 à 1 000 pm dans la zone (a). Une telle feuille offre la possibilité de s'encliqueter le long des rainures d'une manière prévisible, tout en fournissant une rigidité suffisante pour éviter une flexion indésirable sous l'influence de son propre poids.
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 Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (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)