GR1000578B - Βιοαποδομησιμα αντικειμενα που βασιζονται στο αμυλο και μεθοδος παρασκευης τους. - Google Patents
Βιοαποδομησιμα αντικειμενα που βασιζονται στο αμυλο και μεθοδος παρασκευης τους.Info
- Publication number
- GR1000578B GR1000578B GR900100160A GR900100160A GR1000578B GR 1000578 B GR1000578 B GR 1000578B GR 900100160 A GR900100160 A GR 900100160A GR 900100160 A GR900100160 A GR 900100160A GR 1000578 B GR1000578 B GR 1000578B
- Authority
- GR
- Greece
- Prior art keywords
- starch
- pct
- ethylene
- acrylic acid
- weight
- Prior art date
Links
- 229920002472 Starch Polymers 0.000 title abstract 6
- 235000019890 Amylum Nutrition 0.000 title 1
- 238000002360 preparation method Methods 0.000 title 1
- 235000019698 starch Nutrition 0.000 abstract 5
- 239000008107 starch Substances 0.000 abstract 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 4
- 229920006242 ethylene acrylic acid copolymer Polymers 0.000 abstract 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 3
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 abstract 2
- 229910021529 ammonia Inorganic materials 0.000 abstract 2
- 239000004202 carbamide Substances 0.000 abstract 2
- 238000007664 blowing Methods 0.000 abstract 1
- 229920001577 copolymer Polymers 0.000 abstract 1
- 238000001125 extrusion Methods 0.000 abstract 1
- 238000001746 injection moulding Methods 0.000 abstract 1
- 230000003993 interaction Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 239000002245 particle Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L3/00—Compositions of starch, amylose or amylopectin or of their derivatives or degradation products
- C08L3/02—Starch; Degradation products thereof, e.g. dextrin
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B30/00—Preparation of starch, degraded or non-chemically modified starch, amylose, or amylopectin
- C08B30/12—Degraded, destructured or non-chemically modified starch, e.g. mechanically, enzymatically or by irradiation; Bleaching of starch
-
- 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
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C08L23/0869—Acids or derivatives thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/15203—Properties of the article, e.g. stiffness or absorbency
- A61F13/15252—Properties of the article, e.g. stiffness or absorbency compostable or biodegradable
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Biochemistry (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Biological Depolymerization Polymers (AREA)
- Materials For Medical Uses (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Medicinal Preparation (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Bakery Products And Manufacturing Methods Therefor (AREA)
- Endoscopes (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Saccharide Compounds (AREA)
- Steroid Compounds (AREA)
- Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
- Measurement Of Radiation (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Processing Of Solid Wastes (AREA)
- Absorbent Articles And Supports Therefor (AREA)
Abstract
Μορφοποιημένα αντικείμενα που περιλαμβάνουν αποδομημένο άμυλο, ένα συμπολυμερές αιθυλενίου ακρυλικού οξέος και ένα προϊόν της αλληλεπίδρασης αμύλου και συμπολυμερούς αιθυλενίου-ακρυλικού οξέος, όπου το μη-δεσμευμένο στο συμπολυμερές άμυλο βρίσκεται υπό τη μορφή σωματιδίων έχοντας μεγέθη κάτω του 1 μικρού. Το περιεχόμενο νερού παρόμοιων αντικειμένων είναι κατώτερο από αυτό που βρίσκεται συνήθως στο άμυλο. Τα αναφερμένα μορφοποιημένα αντικείμενα μπορεί επίσης να περιέχουν ουρία σε μια ποσότητα όχι μεγαλύτερη από 30% κατά βάρος και/ή αμμωνία σε μια ποσότητα όχι υψηλότερη από 0.5% κατά βάρος. Η μέθοδος απόκτησης παρόμοιων αντικειμένων περιλαμβάνει στάδια εξώθησης του αμύλου, ενός συμπολυμερούς αιθυλενίου-ακρυλικού οξέος και προαιρετικά νερού, ουρίας και/ή αμμωνίας σε μια θερμοκρασία εκτεινόμενη από 9 μέχρι 150 C, περιορισμού του περιεχομένου νερού σε τιμές κατώτερες από 6% κατά βάρος και καλούπωμα εγχυσης ή φυσήματος εξώθησης της σύνθεσης που προκύπτει. ω
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT8941002A IT1235543B (it) | 1989-03-09 | 1989-03-09 | Articoli formati a base di amido e processo per ottenerli |
IT8967666A IT1232893B (it) | 1989-08-02 | 1989-08-02 | Procedimento per la preparazione di una composizione filmabile di materiale plastico biodegradabile e composizioni cosi ottenute |
Publications (2)
Publication Number | Publication Date |
---|---|
GR900100160A GR900100160A (en) | 1990-07-31 |
GR1000578B true GR1000578B (el) | 1992-08-26 |
Family
ID=26329107
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GR900100160A GR1000578B (el) | 1989-03-09 | 1990-03-07 | Βιοαποδομησιμα αντικειμενα που βασιζονται στο αμυλο και μεθοδος παρασκευης τους. |
Country Status (19)
Country | Link |
---|---|
US (1) | US5262458A (el) |
EP (1) | EP0413798B1 (el) |
JP (1) | JP2925728B2 (el) |
KR (1) | KR0169087B1 (el) |
CN (1) | CN1038422C (el) |
AT (1) | ATE131505T1 (el) |
AU (1) | AU628495B2 (el) |
BR (1) | BR9004768A (el) |
CA (1) | CA2028130C (el) |
DD (1) | DD299280A5 (el) |
DE (1) | DE69024132T2 (el) |
DK (1) | DK0413798T3 (el) |
ES (1) | ES2081975T3 (el) |
FI (1) | FI102288B1 (el) |
GR (1) | GR1000578B (el) |
HU (1) | HUT56384A (el) |
IL (1) | IL93620A0 (el) |
NO (1) | NO180781C (el) |
WO (1) | WO1990010671A1 (el) |
Families Citing this family (115)
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-
1990
- 1990-03-02 IL IL93620A patent/IL93620A0/xx unknown
- 1990-03-07 GR GR900100160A patent/GR1000578B/el not_active IP Right Cessation
- 1990-03-08 CA CA002028130A patent/CA2028130C/en not_active Expired - Lifetime
- 1990-03-08 AU AU51785/90A patent/AU628495B2/en not_active Ceased
- 1990-03-08 DE DE69024132T patent/DE69024132T2/de not_active Expired - Fee Related
- 1990-03-08 DD DD90338507A patent/DD299280A5/de unknown
- 1990-03-08 HU HU902344A patent/HUT56384A/hu unknown
- 1990-03-08 ES ES90904276T patent/ES2081975T3/es not_active Expired - Lifetime
- 1990-03-08 WO PCT/EP1990/000375 patent/WO1990010671A1/en active IP Right Grant
- 1990-03-08 AT AT90904276T patent/ATE131505T1/de not_active IP Right Cessation
- 1990-03-08 CN CN90102132A patent/CN1038422C/zh not_active Expired - Lifetime
- 1990-03-08 KR KR1019900702386A patent/KR0169087B1/ko not_active IP Right Cessation
- 1990-03-08 JP JP2504196A patent/JP2925728B2/ja not_active Expired - Fee Related
- 1990-03-08 US US07/613,506 patent/US5262458A/en not_active Expired - Lifetime
- 1990-03-08 DK DK90904276.4T patent/DK0413798T3/da active
- 1990-03-08 BR BR909004768A patent/BR9004768A/pt not_active Application Discontinuation
- 1990-03-08 EP EP90904276A patent/EP0413798B1/en not_active Expired - Lifetime
- 1990-11-07 FI FI905511A patent/FI102288B1/fi active IP Right Grant
- 1990-11-09 NO NO904880A patent/NO180781C/no unknown
Also Published As
Publication number | Publication date |
---|---|
NO904880D0 (no) | 1990-11-09 |
ATE131505T1 (de) | 1995-12-15 |
FI102288B (fi) | 1998-11-13 |
FI905511A0 (fi) | 1990-11-07 |
CA2028130A1 (en) | 1990-09-10 |
AU5178590A (en) | 1990-10-09 |
DE69024132T2 (de) | 1996-08-01 |
HUT56384A (en) | 1991-08-28 |
KR920700257A (ko) | 1992-02-19 |
DE69024132D1 (de) | 1996-01-25 |
DK0413798T3 (da) | 1996-01-22 |
CN1045797A (zh) | 1990-10-03 |
ES2081975T3 (es) | 1996-03-16 |
US5262458A (en) | 1993-11-16 |
WO1990010671A1 (en) | 1990-09-20 |
GR900100160A (en) | 1990-07-31 |
HU902344D0 (en) | 1991-05-28 |
DD299280A5 (de) | 1992-04-09 |
KR0169087B1 (ko) | 1999-03-20 |
NO180781C (no) | 1997-06-18 |
EP0413798A1 (en) | 1991-02-27 |
IL93620A0 (en) | 1990-12-23 |
NO904880L (no) | 1990-11-09 |
CN1038422C (zh) | 1998-05-20 |
JPH03505232A (ja) | 1991-11-14 |
EP0413798B1 (en) | 1995-12-13 |
FI102288B1 (fi) | 1998-11-13 |
BR9004768A (pt) | 1991-07-30 |
NO180781B (no) | 1997-03-10 |
AU628495B2 (en) | 1992-09-17 |
JP2925728B2 (ja) | 1999-07-28 |
CA2028130C (en) | 2002-02-19 |
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