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HU206508B - Process for in situ mixing polymeres for producing plyethylene films of low density - Google Patents

Process for in situ mixing polymeres for producing plyethylene films of low density Download PDF

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Publication number
HU206508B
HU206508B HU895915A HU591589A HU206508B HU 206508 B HU206508 B HU 206508B HU 895915 A HU895915 A HU 895915A HU 591589 A HU591589 A HU 591589A HU 206508 B HU206508 B HU 206508B
Authority
HU
Hungary
Prior art keywords
reactor
ethylene
melt index
olefin
copolymer
Prior art date
Application number
HU895915A
Other languages
English (en)
Other versions
HU895915D0 (en
HUT53380A (en
Inventor
Kiu Hee Lee
Frederick John Karol
Sari Beth Samuels
Original Assignee
Union Carbide Chem Plastic
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Union Carbide Chem Plastic filed Critical Union Carbide Chem Plastic
Publication of HU895915D0 publication Critical patent/HU895915D0/hu
Publication of HUT53380A publication Critical patent/HUT53380A/hu
Publication of HU206508B publication Critical patent/HU206508B/hu

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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F297/00—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer
    • C08F297/06—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the coordination type
    • C08F297/08—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the coordination type polymerising mono-olefins
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00—Processes of polymerisation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00—Processes of polymerisation
    • C08F2/34—Polymerisation in gaseous state
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F210/16—Copolymers of ethene with alpha-alkenes, e.g. EP rubbers

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Other Resins Obtained By Reactions Not Involving Carbon-To-Carbon Unsaturated Bonds (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Polymerisation Methods In General (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Road Paving Structures (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Reinforced Plastic Materials (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Accessories For Mixers (AREA)
  • Materials For Medical Uses (AREA)
  • Electroluminescent Light Sources (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)

Claims (9)

1. Eljárás kis sűrűségű polietilénfilmek előállításához alkalmazható polimerek in situ elkeverésére, amelynél a polimerizációs reakció körülményei között etilént és legalább egy, legalább 3 szénatomos α-olefint legalább két, sorba kapcsolt fluidágyas reaktorban olyan katali- 35 zátor jelenlétében érintkeztetnek, amely
i) MgaTi(OR)bXc(ED)d általános képletű komplexből
- a képletben
R jelentése 1-14 szénatomos alkil- vagy 6-14 szénatomos aromás csoport vagy COR’ általá- 40 nos képletű csoport, ahol R’ jelentése 1-14 szénatomos alkil-, vagy 6-14 szénatomos aromás csoport,
X jelentése halogénatom,
ED jelentése 2-20 szénatomos alifás- vagy aromás 45 karbonsav-alkil-észter, alifás keton, alifás amin, alifás alkohol, alkil- vagy cikloalkil éter elektrodonor csoport, a értéke 0,5-56 b értéke 0,1 vagy 2, 50 c értéke 2-116, és d értéke 2-58, ii) legalább egy AlR”eX’fHg általános képletű vegyületből - a képletben
X’ jelentése klóratom vagy OR’” általános képletű 55 csoport, ahol R” és R’” jelentése 1-14 szénatomos alkilcsoport, f értéke 0-1,5 közötti szám, g értéke 0 vagy 1 és e+g+f=3,és 60 iii) di- vagy trialkil-alumínium kokatalizátorból áll, azzal jellemezve, hogy olyan polimerizációs körülmények között végezzük a reakciót, mely szerint legalább egy reaktorban 0,1-1000 g/10 perc értékű olvadékindexű etilén kopolimer és legalább egy reaktorban 0,001-1,0 g/10 perc olvadékindexű etilén kopolimer képződjön, melyek mindegyikének sűrűsége 0,860,965 g/cm3 és olvadék folyási arányuk 20-70 és a kapott kopolimerek az aktív katalizátorral el vannak keverve, amelyet oly módon érünk el, hogy
a) az egyik reaktorban kapott etilén kopolimerből és aktív katalizátorból álló keveréket a sorban következő reaktorba továbbítjuk,
b) abban a reaktorban, ahol az alacsony olvadékindexű kopolimer képződik
1. az α-olefin mennyisége 1 mól etilénre számítva 0,02-3,5 mól,
2. az adott esetben jelen lévő hidrogén mennyisége pedig 1 mól etilén-a-olefin keverékre számítva 0,005-0,5 mól,
3. a reakció-hőmérséklet 10-115 °C közötti érték,
c) abban a reaktorban, ahol a magas olvadásindexű kopolimer képződik
1. az α-olefin mennyisége 1 mól etilénre számítva 0,02-3,5 mól,
2. a hidrogén mennyisége 1 mól etilén-a-olefin keverékre számítva 0,05-3 mól,
3. a reakció-hőmérséklet 30-105 °C közötti érték,
d) és további di- vagy trialkil-alumínium kokatalizátort adagolunk az első reaktort követő minden reaktorba olyan mennyiségben, hogy a katalizátor akti1
HU 206 508 Β vitás értékét az első reaktorban mutatott aktivitással azonos értéken tartsuk.
2. Az 1. igénypont szerinti eljárás, azzal jellemezve, hogy aktivátor vegyületként legalább egy, valamely következő vegyületet alkalmazunk: trietil-alumínium, triizobutil-alumínium, és dietil-alumínium-klorid.
3. Az 1, igénypont szerinti eljárás, azzaljellemezve, hogy alkil-alumínium-kokatalizátorként a következő anyagokból legalább egyet alkalmazunk: trietil-alumínium, triizobutil-alumínium.
4. Az 1. igénypont szerinti eljárás, azzal jellemezve, hogy elektrondonorként tetrahidrofüránt alkalmazunk.
5. Az 1. igénypont szerinti eljárás, azzaljellemezve, hogy két reaktort alkalmazunk sorba kötve,
6. Az 1. igénypont szerinti eljárás, azzaljellemezve, hogy a magas olvadékindex értéke 0,2-600 g/10 perc, és az alacsony olvadékindex értéke 0,01-0,2 g/10 perc.
7. Az 5. igénypont szerinti eljárás, azzal jellemezve, hogy a nagy olvadékindexű reaktorban nagy sűrűségű
5 polietilén mátrixot állítunk elő, majd a kapott polietilénmátrixba etilén/propilén kopolimert építünk be az alacsony olvadékindexű reaktorba.
8. Az 5. igénypont szerinti eljárás, azzal jellemezve, hogy a nagy olvadékindexű reaktorban nagy sűrűségű
10 polietilént állítunk elő, és ezt bensőségesen elkeverjük az alacsony olvadékindexű reaktorban előállított etilén/propilén kopolimerrel.
9. Az 1. igénypont szerinti eljárás, azzal jellemezve, hogy a polimerizációs reakciót gázfázisban végezzük
15 mindkét reaktorban.
HU895915A 1988-11-16 1989-11-15 Process for in situ mixing polymeres for producing plyethylene films of low density HU206508B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/271,639 US5047468A (en) 1988-11-16 1988-11-16 Process for the in situ blending of polymers

Publications (3)

Publication Number Publication Date
HU895915D0 HU895915D0 (en) 1990-02-28
HUT53380A HUT53380A (en) 1990-10-28
HU206508B true HU206508B (en) 1992-11-30

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
HU895915A HU206508B (en) 1988-11-16 1989-11-15 Process for in situ mixing polymeres for producing plyethylene films of low density

Country Status (25)

Country Link
US (1) US5047468A (hu)
EP (1) EP0369436B1 (hu)
JP (1) JPH07116256B2 (hu)
KR (1) KR950000037B1 (hu)
CN (1) CN1040219C (hu)
AT (1) ATE138087T1 (hu)
AU (1) AU619357B2 (hu)
BR (1) BR8905803A (hu)
CA (1) CA2002992C (hu)
CZ (1) CZ282728B6 (hu)
DE (1) DE68926490T2 (hu)
EG (1) EG18942A (hu)
ES (1) ES2087067T3 (hu)
FI (1) FI895432A0 (hu)
GR (1) GR3019960T3 (hu)
HU (1) HU206508B (hu)
MY (1) MY106027A (hu)
NO (1) NO173242C (hu)
NZ (1) NZ231393A (hu)
PH (1) PH26989A (hu)
PL (1) PL163483B1 (hu)
PT (1) PT92322B (hu)
SK (1) SK280092B6 (hu)
TR (1) TR24887A (hu)
ZA (1) ZA898724B (hu)

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EP0369436B1 (en) 1996-05-15
BR8905803A (pt) 1990-06-12
SK646389A3 (en) 1999-08-06
CA2002992C (en) 1995-11-07
HU895915D0 (en) 1990-02-28
AU619357B2 (en) 1992-01-23
CN1040219C (zh) 1998-10-14
SK280092B6 (sk) 1999-08-06
EP0369436A2 (en) 1990-05-23
KR950000037B1 (ko) 1995-01-07
NO894548L (no) 1990-05-18
JPH02199106A (ja) 1990-08-07
PH26989A (en) 1992-12-28
CA2002992A1 (en) 1990-05-16
US5047468A (en) 1991-09-10
NZ231393A (en) 1991-02-26
NO894548D0 (no) 1989-11-15
FI895432A0 (fi) 1989-11-15
AU4469989A (en) 1990-05-24
NO173242B (no) 1993-08-09
JPH07116256B2 (ja) 1995-12-13
DE68926490D1 (de) 1996-06-20
EG18942A (en) 1994-06-30
HUT53380A (en) 1990-10-28
ATE138087T1 (de) 1996-06-15
MY106027A (en) 1995-02-28
PT92322B (pt) 1996-06-28
GR3019960T3 (en) 1996-08-31
DE68926490T2 (de) 1996-10-02
TR24887A (tr) 1992-07-20
ZA898724B (en) 1990-08-29
PT92322A (pt) 1990-05-31
KR900007885A (ko) 1990-06-02
CZ282728B6 (cs) 1997-09-17
CZ646389A3 (en) 1997-06-11
EP0369436A3 (en) 1991-07-03
NO173242C (no) 1993-11-17
ES2087067T3 (es) 1996-07-16
PL163483B1 (en) 1994-04-29
CN1043721A (zh) 1990-07-11

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