NO172942B - POLYOLEFIN MATERIALS COMPREHENSIVE ISOTACTIC PROPYLENE POLYMER AND LINEAR ETHYLENE COPOLYMER - Google Patents
POLYOLEFIN MATERIALS COMPREHENSIVE ISOTACTIC PROPYLENE POLYMER AND LINEAR ETHYLENE COPOLYMER Download PDFInfo
- Publication number
- NO172942B NO172942B NO871291A NO871291A NO172942B NO 172942 B NO172942 B NO 172942B NO 871291 A NO871291 A NO 871291A NO 871291 A NO871291 A NO 871291A NO 172942 B NO172942 B NO 172942B
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- Norway
- Prior art keywords
- weight
- parts
- ethylene
- mol
- density
- Prior art date
Links
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 8
- 229920000098 polyolefin Polymers 0.000 title claims abstract description 5
- 229920001038 ethylene copolymer Polymers 0.000 title description 2
- 239000000463 material Substances 0.000 title 1
- 239000000203 mixture Substances 0.000 claims abstract description 13
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000005977 Ethylene Substances 0.000 claims abstract description 11
- 239000004711 α-olefin Substances 0.000 claims abstract description 11
- 125000004432 carbon atom Chemical group C* 0.000 claims abstract description 8
- 229920001897 terpolymer Polymers 0.000 claims abstract description 8
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims abstract description 7
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims abstract description 7
- 229920005684 linear copolymer Polymers 0.000 claims abstract description 3
- 229920000642 polymer Polymers 0.000 abstract description 11
- 239000000470 constituent Substances 0.000 abstract description 3
- OFHCOWSQAMBJIW-AVJTYSNKSA-N alfacalcidol Chemical compound C1(/[C@@H]2CC[C@@H]([C@]2(CCC1)C)[C@H](C)CCCC(C)C)=C\C=C1\C[C@@H](O)C[C@H](O)C1=C OFHCOWSQAMBJIW-AVJTYSNKSA-N 0.000 abstract 2
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 description 6
- 238000001125 extrusion Methods 0.000 description 6
- -1 polypropylene Polymers 0.000 description 5
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 4
- 229920001577 copolymer Polymers 0.000 description 4
- 239000010408 film Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 229920001384 propylene homopolymer Polymers 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical class [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000008240 homogeneous mixture Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
- C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Dental Preparations (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
Description
Man kjenner allerede gjennom patent EP-B1-102.857 forbindelser som inneholder fra 10 til 40% i vekt av isotaktisk polypropylen og fra 60 til 90% i vekt av en etylenkopolymer og av a-olefin som inneholder minst 4 karbonatomer med tetthet mellom 0,905 og 0,940 og med fluiditetsindeks mellom 0,2 og 3 dg/minutt. Disse forbindelser muliggjør fremstilling av mono-orienterte tråder med forbedrede egenskaper (spesielt utholdenhet), anvendt særlig i emballasjeindustri i form av vevede sekker. One already knows through patent EP-B1-102,857 compounds which contain from 10 to 40% by weight of isotactic polypropylene and from 60 to 90% by weight of an ethylene copolymer and of α-olefin containing at least 4 carbon atoms with a density between 0.905 and 0.940 and with a fluidity index between 0.2 and 3 dg/minute. These compounds enable the production of mono-oriented threads with improved properties (especially endurance), used in particular in the packaging industry in the form of woven sacks.
I motsetning til denne tidligere fagkunnskap, hvis mål er å forbedre utholdenheten av mono-orienterte tråder, består problemet som den foreliggende oppfinnelse søker å løse, i på en viktig måte å forbedre motstand mot sjokk, mer spesielt ved lav temperatur, av termoplastiske forbindelser med base av isotaktisk polypropylen og av etylen/a-olefin-kopolymer. For å gjøre dette tilveiebringer foreliggende oppfinnelse en annen slags blanding som består av polyolefin som omfatter, pr. 100 vektdeler, (A) 30 til 40 vektdeler av minst én sterkt isotaktisk propylenpolymer og (B) 4 0 til 67 vektdeler av minst én lineær kopolymer, som har en tetthet mellom 0,914 og 0,945, av etylen og minst ett a-olefin som har fra 3 til 12 karbonatomer, og som er karakterisert ved at den dessuten inneholder fra 3 til 25 vektdeler av minst én randomisert terpolymer (C), som har en tetthet mellom 0,865 og 0,912, som inneholder fra 70 til 94 mol% etylen, fra 4 til 20 mol% propylen og fra 2 til 10 mol% av minst ett a-olefin som har fra 4 til 12 karbonatomer. Contrary to this prior art, whose objective is to improve the endurance of mono-oriented threads, the problem which the present invention seeks to solve consists in improving in an important way the resistance to shock, more particularly at low temperature, of thermoplastic compounds with base of isotactic polypropylene and of ethylene/α-olefin copolymer. To do this, the present invention provides another kind of mixture consisting of polyolefin which comprises, per 100 parts by weight, (A) 30 to 40 parts by weight of at least one highly isotactic propylene polymer and (B) 40 to 67 parts by weight of at least one linear copolymer, having a density between 0.914 and 0.945, of ethylene and at least one α-olefin having from 3 to 12 carbon atoms, and which is characterized in that it also contains from 3 to 25 parts by weight of at least one randomized terpolymer (C), which has a density between 0.865 and 0.912, which contains from 70 to 94 mol% ethylene, from 4 to 20 mol% propylene and from 2 to 10 mol% of at least one α-olefin having from 4 to 12 carbon atoms.
Således er foreliggende oppfinnelse basert på den observasjon at terpolymer (C), som har en intermediær tetthet mellom på den ene side den termoplastiske kopolymer (B) og på den annen side de kautsjukaktige kopolymerer, på grunn av kompromiss mellom krystallinske og amorfe faser, viser en spesiell evne til forsterkning av forbindelser av (A) og (B), selv når den anvendes i små mengder. Dessuten passer det å bemerke at tilsetning av denne terpolymer til forbindelser slik som de i patent EP-B1-102.857, er uten fordel for dannelsen av mono-orienterte tråder. Thus, the present invention is based on the observation that terpolymer (C), which has an intermediate density between on the one hand the thermoplastic copolymer (B) and on the other hand the rubbery copolymers, due to a compromise between crystalline and amorphous phases, shows a special ability to enhance compounds of (A) and (B), even when used in small amounts. Moreover, it is worth noting that the addition of this terpolymer to compounds such as those in patent EP-B1-102,857 is without advantage for the formation of mono-oriented threads.
Med polymer (A) av propylen som første bestanddel (A) forstår man en polymer som omfatter minst 80% i mol av enheter som stammer fra propylen og eventuelt opp til 20% i mol av enheter som stammer fra etylen eller et a-olefin som har fra 4 til 12 karbonatomer. I definisjonene av polymerene (B) og Polymer (A) of propylene as the first component (A) is understood to mean a polymer that comprises at least 80% by mol of units derived from propylene and possibly up to 20% by mol of units derived from ethylene or an α-olefin which have from 4 to 12 carbon atoms. In the definitions of the polymers (B) and
(C) må det forstås at disse kan omfatte enheter av ett eller flere (C) it must be understood that these may include units of one or more
a-olefiner i slike mengder i mol som er tilfredsstillende for betingelsene i forhold til tetthetene av de nevnte polymerer. Forholdene, i funksjon av naturen av det komonomere a-olefin, mellom disse mengder i mol og tettheten av den resulterende kopolymer, er spesielt kjent for fagmannen på området. α-olefins in such quantities in moles that are satisfactory for the conditions in relation to the densities of the aforementioned polymers. The relationships, as a function of the nature of the comonomer α-olefin, between these amounts in moles and the density of the resulting copolymer, are particularly known to those skilled in the art.
Ifølge de betraktede anvendelser for blandinger i henhold til oppfinnelsen vil standardfluiditetsindeksene for bestand-delene (A), (B) og (C) kunne velges over en relativt utstrakt skala. For eksempel vil standardfluiditetsindeksen (målt ved 230°C under 2,16 kg) av polymer (A) kunne være mellom omtrent 0,4 og 60 dg/minutt, fortrinnsvis mellom 1 og 20 dg/minutt. Standardfluiditetsindeksen (målt ved 190°C under 2,16 kg) av polymer (B) vil kunne være mellom 0,3 og omtrent 100 dg/minutt, fortrinnsvis mellom 0,8 og 60 dg/minutt. Standardfluiditetsindeksen (målt ved 190°C under 2,16 kg) av polymer (C) vil kunne være mellom 0,8 og 20 dg/minutt. According to the considered applications for mixtures according to the invention, the standard fluidity indices for the constituent parts (A), (B) and (C) can be selected over a relatively wide scale. For example, the standard fluidity index (measured at 230°C under 2.16 kg) of polymer (A) could be between about 0.4 and 60 dg/minute, preferably between 1 and 20 dg/minute. The standard fluidity index (measured at 190°C under 2.16 kg) of polymer (B) will be between 0.3 and about 100 dg/minute, preferably between 0.8 and 60 dg/minute. The standard fluidity index (measured at 190°C under 2.16 kg) of polymer (C) will be between 0.8 and 20 dg/minute.
Blandingene i henhold til oppfinnelsen kan dessuten inne-holde anvendbare mengder av antioksydanter og/eller stabili-satorer mot ultrafiolett stråling, slik som i påkommende til-felle inntil 100 vektdeler, for 100 deler av forbindelsen, av mineralske stoffer slik som talk, glimmer, kritt, glasskuler, aluminiumhydroksyder eller organiske stoffer slik som sagflis. Disse stoffer kan tilføres ved hjelp av vanlige hjelpemidler slik som en intern blandemaskin. The mixtures according to the invention can also contain usable amounts of antioxidants and/or stabilizers against ultraviolet radiation, such as in the event of up to 100 parts by weight, for 100 parts of the compound, of mineral substances such as talc, mica, chalk, glass balls, aluminum hydroxides or organic substances such as sawdust. These substances can be added using common aids such as an internal mixing machine.
Blandinger i henhold til foreliggende oppfinnelse kan fremstilles ved å bringe passende mengder av polymerene (A), Mixtures according to the present invention can be prepared by bringing appropriate amounts of the polymers (A),
(B) og (C) i kontakt med hverandre, og blande dem til en homogen blanding. Dette kan utføres særlig ved hjelp av den (B) and (C) in contact with each other and mix them into a homogeneous mixture. This can be carried out in particular with the help of it
nevnte teknikk for blanding under tørrhet, eller også gjerne i smeltet tilstand i en ekstruderingsmaskin. said technique for mixing during dryness, or preferably in a molten state in an extrusion machine.
Industrielle artikler kan fås ved omdannelse av en polyolefin-blanding slik som beskrevet foran, for eksempel ved hjelp av en av de følgende teknikker: Blåse-ekstrudering av tynne filmer (tykkelse fra omtrent 2 0 til 50 /im) , for eksempel av filmer for emballasje Industrial articles can be obtained by converting a polyolefin blend as described above, for example by one of the following techniques: Blow-extrusion of thin films (thickness from about 20 to 50 µm), for example of films for packaging
og/eller dypfrysning. and/or deep freezing.
Koblåse-ekstrudering av filmer sammensatt av et lag utført med en blanding i henhold til oppfinnelsen og et lag av polypropylen. Co-blowing extrusion of films composed of a layer made with a mixture according to the invention and a layer of polypropylene.
Blåse-ekstrudering av hule gjenstander, for eksempel av Blow-extrusion of hollow objects, for example of
flasker. bottles.
- Injeksjon, spesielt for fremstilling av artikler vanligvis av polypropylen, men hvis motstand mot støt eller kulde er utilstrekkelig. - Injection, especially for the production of articles usually made of polypropylene, but whose resistance to shock or cold is insufficient.
Eksemplene heretter har som mål å illustrere noen metoder for utførelse av den foreliggende oppfinnelse. The following examples aim to illustrate some methods for carrying out the present invention.
Eksempler 1 til 4 Examples 1 to 4
Det fremstilles blandinger som for 100 vektdeler inneholder: 30 vektdeler av en propylenhomopolymer ( A^) med tetthet 0,900 og standardfluiditetsindeks (bestemt i henhold til Mixtures are produced which for 100 parts by weight contain: 30 parts by weight of a propylene homopolymer (A^) with density 0.900 and standard fluidity index (determined according to
normen ASTM D 1238-73) lik 6 dg/minutt. the norm ASTM D 1238-73) equal to 6 dg/minute.
x vektdeler av en etylen-buten-l-kopolymer (B^) med tetthet 0,920 og standardfluiditetsindeks (bestemt i henhold x parts by weight of an ethylene-butene-1 copolymer (B^) with density 0.920 and standard fluidity index (determined according to
til normen ASTM D 1238-73) lik 20 dg/minutt, og to the norm ASTM D 1238-73) equal to 20 dg/minute, and
y vektdeler av en etylen-propylen-buten-l-terpolymer (C^) y parts by weight of an ethylene-propylene-butene-l terpolymer (C^
med tetthet 0,906 og standardfluiditetsindeks (bestemt i henhold til normen ASTM D 1238-73) lik 1 dg/minutt, som inneholder 91,6% i mol av etylen, 5,2% i mol av propylen og 3,2% i mol av buten-1. with a density of 0.906 and a standard fluidity index (determined according to the norm ASTM D 1238-73) equal to 1 dg/minute, containing 91.6% in moles of ethylene, 5.2% in moles of propylene and 3.2% in moles of butene-1.
Disse blandinger blir ved hjelp av injeksjonsteknikk omdannet til små stenger på hvilke man måler motstanden mot støt RC ved -40°C, bestemt i henhold til normen ASTM D 256-81 og uttrykt i kJ/m<2>. These mixtures are converted into small rods by injection technique on which the resistance to impact RC at -40°C is measured, determined according to the standard ASTM D 256-81 and expressed in kJ/m<2>.
Tabell I nedenfor oppsummerer resultatene av disse målinger i funksjon av mengden x av polymer (B) og av mengden y av terpolymer (C). Som man lett vil forstå, er eksempel 1 sammenlignende. Table I below summarizes the results of these measurements as a function of the amount x of polymer (B) and of the amount y of terpolymer (C). As one will easily understand, example 1 is comparative.
Eksempler 5 til 7 Examples 5 to 7
Blanding som inneholder, for 100 deler i vekt: Mixture containing, for 100 parts by weight:
40 deler i vekt av en propylen-homopolymer (A2) med fluiditetsindeks (bestemt ved 230°C under 2,16 kg, i 40 parts by weight of a propylene homopolymer (A2) with a fluidity index (determined at 230°C below 2.16 kg, in
henhold til normen ASTM D 1238-73) lik 3 dg/minutt, according to the standard ASTM D 1238-73) equal to 3 dg/minute,
x vektdeler av en etylen/buten-l-kopolymer (B2) med tetthet 0,919 og standardfluiditetsindeks lik 1 dg/minutt, og y vektdeler av en etylen/propylen/buten-l-terpolymer (C2) x parts by weight of an ethylene/butene-l copolymer (B2) with density 0.919 and standard fluidity index equal to 1 dg/minute, and y parts by weight of an ethylene/propylene/butene-l terpolymer (C2)
med tetthet 0,874 og standardfluiditetsindeks lik 2 dg/ minutt, som inneholder 80% i mol av etylen, 8% i mol av with density 0.874 and standard fluidity index equal to 2 dg/minute, containing 80% in moles of ethylene, 8% in moles of
propylen og 12% i mol av buten-1, propylene and 12% in moles of butene-1,
fremstilles ved blanding under tørrhet, og omdannes så til filmer med tykkelse 50 /nm ved hjelp av blåse-ekstrudering under følgende betingelser: is produced by mixing under dryness, and then converted into films with a thickness of 50 /nm by means of blow-extrusion under the following conditions:
ekstruderingsmaskin KIEFEL B 60 extrusion machine KIEFEL B 60
kapasitet: 105 kg pr. time capacity: 105 kg per hour
stofftemperatur: 213°C fabric temperature: 213°C
På de således oppnådde filmer måler man motstanden mot anslag RI ved 23 °C, bestemt i henhold til normen NFT-51118 med slagbolt av normen NFT-54116 og uttrykt i joule. Resultatene av disse målinger er vist i tabell II nedenfor. Som man vil forstå uten vanskelighet er eksempel 5 sammenlignende. On the films thus obtained, the resistance to impact RI at 23 °C is measured, determined in accordance with standard NFT-51118 with an impact bolt of standard NFT-54116 and expressed in joules. The results of these measurements are shown in Table II below. As will be understood without difficulty, example 5 is comparative.
Claims (2)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8604499A FR2596402B1 (en) | 1986-03-28 | 1986-03-28 | TERNARY POLYOLEFINIC COMPOSITIONS AND A PROCESS FOR THEIR TRANSFORMATION INTO INDUSTRIAL ARTICLES |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| NO871291D0 NO871291D0 (en) | 1987-03-27 |
| NO871291L NO871291L (en) | 1987-09-29 |
| NO172942B true NO172942B (en) | 1993-06-21 |
| NO172942C NO172942C (en) | 1993-09-29 |
Family
ID=9333659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO871291A NO172942C (en) | 1986-03-28 | 1987-03-27 | POLYOLEFIN MATERIALS COMPREHENSIVE ISOTACTIC PROPYLENE POLYMER AND LINEAR ETHYLENE COPOLYMER |
Country Status (15)
| Country | Link |
|---|---|
| EP (1) | EP0254599B1 (en) |
| JP (1) | JP2577377B2 (en) |
| KR (1) | KR950013149B1 (en) |
| CN (1) | CN1011510B (en) |
| AT (1) | ATE76420T1 (en) |
| BR (1) | BR8701415A (en) |
| CA (1) | CA1269468A (en) |
| DE (1) | DE3779205D1 (en) |
| DK (1) | DK170896B1 (en) |
| ES (1) | ES2032842T3 (en) |
| FI (1) | FI91532C (en) |
| FR (1) | FR2596402B1 (en) |
| GR (1) | GR3005388T3 (en) |
| IN (1) | IN167497B (en) |
| NO (1) | NO172942C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5250631A (en) * | 1990-06-13 | 1993-10-05 | Shell Oil Company | Polymer compositions |
| EP3947554B1 (en) | 2019-03-29 | 2023-05-03 | Borealis AG | Compatibilization of recycled polyethylene-polypropylene blends |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3632674A (en) * | 1967-11-02 | 1972-01-04 | Itsuho Aishima | Blend of ethylene polymer crystalline polypropylene polymer and crystalline ethylene-propylene block copolymer |
| FR2529563B1 (en) * | 1982-06-30 | 1986-01-24 | Charbonnages Ste Chimique | COMPOSITIONS OF POLYPROPYLENE AND ETHYLENE / A-OLEFIN COPOLYMERS AND THEIR APPLICATION IN THE MANUFACTURE OF SINGLE-ORIENTED YARNS |
| CA1243257A (en) * | 1983-10-18 | 1988-10-18 | Masakazu Ito | Multi-layer film or sheet material |
| JPS61213237A (en) * | 1985-03-20 | 1986-09-22 | Dainichi Nippon Cables Ltd | Flame-retardant resin composition |
-
1986
- 1986-03-28 FR FR8604499A patent/FR2596402B1/en not_active Expired
-
1987
- 1987-03-20 IN IN241/DEL/87A patent/IN167497B/en unknown
- 1987-03-25 DK DK150387A patent/DK170896B1/en not_active IP Right Cessation
- 1987-03-26 AT AT87400679T patent/ATE76420T1/en not_active IP Right Cessation
- 1987-03-26 ES ES198787400679T patent/ES2032842T3/en not_active Expired - Lifetime
- 1987-03-26 EP EP87400679A patent/EP0254599B1/en not_active Expired - Lifetime
- 1987-03-26 DE DE8787400679T patent/DE3779205D1/en not_active Expired - Lifetime
- 1987-03-27 FI FI871371A patent/FI91532C/en not_active IP Right Cessation
- 1987-03-27 CA CA000533163A patent/CA1269468A/en not_active Expired - Lifetime
- 1987-03-27 NO NO871291A patent/NO172942C/en unknown
- 1987-03-27 BR BR8701415A patent/BR8701415A/en not_active IP Right Cessation
- 1987-03-28 JP JP62075741A patent/JP2577377B2/en not_active Expired - Lifetime
- 1987-03-28 CN CN87102429A patent/CN1011510B/en not_active Expired
- 1987-03-28 KR KR1019870002904A patent/KR950013149B1/en not_active IP Right Cessation
-
1992
- 1992-08-07 GR GR920401683T patent/GR3005388T3/el unknown
Also Published As
| Publication number | Publication date |
|---|---|
| IN167497B (en) | 1990-11-10 |
| DK150387A (en) | 1987-09-29 |
| FI91532C (en) | 1994-07-11 |
| JPS62240341A (en) | 1987-10-21 |
| NO172942C (en) | 1993-09-29 |
| FR2596402B1 (en) | 1988-05-20 |
| DE3779205D1 (en) | 1992-06-25 |
| FI871371A (en) | 1987-09-29 |
| NO871291D0 (en) | 1987-03-27 |
| GR3005388T3 (en) | 1993-05-24 |
| CA1269468A (en) | 1990-05-22 |
| CN87102429A (en) | 1987-10-07 |
| DK170896B1 (en) | 1996-03-04 |
| EP0254599B1 (en) | 1992-05-20 |
| KR950013149B1 (en) | 1995-10-25 |
| FI91532B (en) | 1994-03-31 |
| KR870008943A (en) | 1987-10-22 |
| FI871371A0 (en) | 1987-03-27 |
| NO871291L (en) | 1987-09-29 |
| BR8701415A (en) | 1987-12-29 |
| JP2577377B2 (en) | 1997-01-29 |
| CN1011510B (en) | 1991-02-06 |
| ATE76420T1 (en) | 1992-06-15 |
| ES2032842T3 (en) | 1993-03-01 |
| EP0254599A1 (en) | 1988-01-27 |
| FR2596402A1 (en) | 1987-10-02 |
| DK150387D0 (en) | 1987-03-25 |
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