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公开(公告)号:US20200325319A1
公开(公告)日:2020-10-15
申请号:US16304874
申请日:2017-05-22
Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
Inventor: Patrick Elisabeth Luc VOETS , Henrica Norberta Alberta Maria STEENBAKKERS-MENTING , Aurora Alexandra BATINAS-GEURTS , Désirée Marie Louise SEEGERS
Abstract: The invention relates to a propylene copolymer composition comprising a propylene-ethylene copolymer, wherein the propylene-ethylene copolymer has a melt flow index in the range of 0.05 to 2.5 dg/min measured according to ISO1133 (2.16 kg/230° C.), wherein the propylene-ethylene copolymer is a unimodal propylene-ethylene copolymer and wherein a pipe prepared from the propylene copolymer composition according to ISO 1167-2 has a run time without failure of at least 2,500 h measured according to ISO1167-1 at a temperature of 95° C. and a hoop stress calculated according to ISO3213 of 4.2 MPa.
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公开(公告)号:US20210292448A1
公开(公告)日:2021-09-23
申请号:US17260669
申请日:2019-07-22
Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
Inventor: Henrica Norberta Alberta Maria STEENBAKKERS-MENTING , Patrick Elisabeth Luc VOETS , Desiree Marie Louise SEEGERS , Erik DELSMAN , Ibrahim Mohammad ALSUGAL , Musaad AL-SADHAN , Martin Alexander ZUIDEVELD , Akhlaq MOMAN
IPC: C08F210/06 , C08F210/02 , C08F210/14 , F16L9/12
Abstract: The invention relates to a polypropylene composition comprising a terpolymer containing propylene, ethylene and 1-hexene wherein the polypropylene composition (i) has a content of ethylene derived units of at least 1.5 wt %; (ii) has a content of 1-hexene derived units of at least 1.5 wt %; (iii) has a melt flow rate of 0.10 to 0.70 g/10 min determined by ISO 1133-1:2011 (230° C., 2.16 kg); and (iv) has a ratio of weight average molecular weight (Mw) to numeric average molecular (Mn) weight of the terpolymer of 7.0 to 20.0, wherein Mw and Mn are measured according to ASTM D6474-12.
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公开(公告)号:US20210070970A1
公开(公告)日:2021-03-11
申请号:US16956196
申请日:2018-12-18
Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
Inventor: Patrick Elisabeth Luc VOETS , Henrica Norberta Alberta Maria STEENBAKKERS-MENTING , Martin Alexander ZUIDEVELD , Akhlaq A. MOMAN , Waltraud VOIGTLANDER
Abstract: The invention relates to a polypropylene composition comprising a propylene homopolymer or propylene-ethylene copolymer having an ethylene content of at most 1.0 wt % based on the propylene-ethylene copolymer, wherein the amount of propylene homopolymer or propylene-ethylene copolymer is at least 98 wt %, for example at least 98.5 wt %, preferably at least 99 wt %, more preferably at least 99.5, for example at least 99.75 wt % based on the polypropylene composition, wherein the polypropylene composition has a melt flow rate in the range of 0.70 to 2.4 dg/min as measured according to IS01 133 (2.16 kg/230° C.), an Mw/Mn in the range from 7.0 to 13.0, wherein Mw stands for the weight average molecular weight and Mn stands for the number average weight, an Mz/Mn is in the range from 20 to 50, wherein Mz stands for the z-average molecular weight and wherein Mw, Mn and Mz are measured according to ASTM D6474-12.
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