EP0000783B1 - Article conformé à base de polypropylène - Google Patents

Article conformé à base de polypropylène Download PDF

Info

Publication number
EP0000783B1
EP0000783B1 EP78100628A EP78100628A EP0000783B1 EP 0000783 B1 EP0000783 B1 EP 0000783B1 EP 78100628 A EP78100628 A EP 78100628A EP 78100628 A EP78100628 A EP 78100628A EP 0000783 B1 EP0000783 B1 EP 0000783B1
Authority
EP
European Patent Office
Prior art keywords
parts
polypropylene
platelet
volume
von
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
EP78100628A
Other languages
German (de)
English (en)
Other versions
EP0000783A2 (fr
EP0000783A3 (en
Inventor
Rainer Dr. Theysohn
Gerhard Dr. Zeitler
Heinz Dr. Mueller-Tamm
Helmut Dr. Merkel
Rolf Dr. Wurmb
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BASF SE
Original Assignee
BASF SE
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 BASF SE filed Critical BASF SE
Publication of EP0000783A2 publication Critical patent/EP0000783A2/fr
Publication of EP0000783A3 publication Critical patent/EP0000783A3/xx
Application granted granted Critical
Publication of EP0000783B1 publication Critical patent/EP0000783B1/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K7/00—Use of ingredients characterised by shape
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
    • C08L1/08—Cellulose derivatives
    • C08L1/10—Esters of organic acids, i.e. acylates
    • C08L1/12—Cellulose acetate
    • 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

Definitions

  • Polypropylene in particular highly crystalline polypropylene, is a valued material as a molding material, because it is e.g. characterized by easy processability and leads to molded parts that have good heat resistance and high rigidity.
  • a well-known disadvantage of polypropylene is, however, that its toughness (roughly the fracture toughness according to DIN 53 443) decreases very strongly with temperatures that are below its glass point - that is about + 4 ° C. In practice, this means that at temperatures below + 4 ° C the useful value of molded parts made of polypropylene is considerably restricted.
  • thermoplastic polymers include, in particular, copolymers made from higher amounts of ethylene and lower amounts of an alkyl ester of acrylic or methacrylic acid (cf. AT-A-237 286).
  • thermoplastic copolymers in polypropylene molding compositions, however, must be bought with a certain disadvantage, namely a noticeable drop in the stiffness values (for example in the tensile modulus of elasticity according to DIN 53 457).
  • polypropylene molding compositions which are composed of (1) a certain polypropylene, (2) a certain thermoplastic copolymer made from (2.1) ethylene and (2.2) n-butyl acrylate and (3) one certain inorganic, platelet-shaped filler.
  • Processing aids stabilizers, colorants, flame retardants etc.
  • the new molding compositions can be produced directly from these components or, as has been practiced many times in comparable cases, via a concentrate of the filler (3) in one of the polymerization components (1) or (2). It goes without saying that care is taken to ensure that the components are distributed as homogeneously as possible; - i.e. that the other components are expediently worked in via the molten state of the polypropylene and under intensive mixing conditions, for example in a twin-screw kneader.
  • the molding compositions according to the invention can be used for processing polypropylene Molding compounds used in conventional processing machines can be processed into the usual molded parts known and customary for polypropylene, for example into films, profiles, plates, hollow bodies and body parts.
  • This mixture is homogenized in a twin-screw kneader at a temperature of about 220 ° C., extruded in strands, cooled and granulated.
  • Test specimens are injection molded from the granules thus obtained at melt temperatures of 220 ° C., specifically for determining the tensile modulus of elasticity in accordance with DIN 53 457, as a measure of the rigidity and fracture toughness in accordance with DIN 53 443 B (25 mm dome radius) Measure of toughness.
  • Example 1 is repeated with the two only exceptions that both the talc and the copolymer are eliminated.
  • the stiffness of the molding compositions according to the invention is approximately the same as that of polypropylene; the cold toughness is much better in the molding compositions according to the invention than in the polypropylene.
  • Very surprising is the positive finding that the absolute values of toughness are so high for the molding compositions according to the invention, since the addition of platelet-shaped talc in comparable other polypropylene molding compositions is known to significantly reduce their toughness values.

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)

Claims (1)

1. Matière à mouler à base de polypropylène, composé de:
(1) 60 à 85 parties en volume d'un polypropylène avec une fraction cristalline supérieure à 90% et d'un indice de fusion (2,15 kg; 230°C) de 0,5 à 5;
(2) 15 à 35 parties en volume d'un copolymérisat de
(2.1) 100 parties en poids d'éthylène et
(2.2) 30 à 55 parties en poids de l'ester de l'acide acrylique et du n-butanol, possédant un indice de fusion (2,16 kg; 230°C) de 0,5 à 5, un module d'élastiscité à la traction (selon DIN 53 457) inférieur à 1000 Nmm2 et une température de transition vitreuse inférieure à -20°C;
(3) 2 à 8 parties en volume d'un talc lamellaire, dont les lamelles possèdent une épaisseur comprise entre 0,01 et 2 pm et un rapport de la hauteur (épaisseur) à la largeur (diamètre) compris entre 1 : 10 et 1 : 300,

la somme des parties en volume de (1), de (2) et de (3) étant égale à 100.
EP78100628A 1977-08-16 1978-08-09 Article conformé à base de polypropylène Expired EP0000783B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2736792 1977-08-16
DE19772736792 DE2736792A1 (de) 1977-08-16 1977-08-16 Polypropylen-formmasse

Publications (3)

Publication Number Publication Date
EP0000783A2 EP0000783A2 (fr) 1979-02-21
EP0000783A3 EP0000783A3 (en) 1979-03-07
EP0000783B1 true EP0000783B1 (fr) 1982-09-15

Family

ID=6016456

Family Applications (1)

Application Number Title Priority Date Filing Date
EP78100628A Expired EP0000783B1 (fr) 1977-08-16 1978-08-09 Article conformé à base de polypropylène

Country Status (4)

Country Link
EP (1) EP0000783B1 (fr)
AT (1) AT362581B (fr)
DE (2) DE2736792A1 (fr)
IT (1) IT1097591B (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57207630A (en) * 1981-06-15 1982-12-20 Toa Nenryo Kogyo Kk Thermoplastic resin composition
FR2587350B1 (fr) * 1985-04-24 1987-10-30 Charbonnages Ste Chimique Compositions ternaires rigides a resistance au choc amelioree, un procede pour leur preparation et articles obtenus
US4758629A (en) * 1986-05-28 1988-07-19 E. I. Du Pont De Nemours And Company Thermoplastic compositions of crystalline polyolefin and ethylene-containing copolymer
US4888391A (en) * 1988-08-12 1989-12-19 Exxon Chemical Patents Inc. Paintable thermoplastic polyolefin compositions having improved flexural properties
DE4040602A1 (de) * 1990-12-19 1992-07-02 Schock & Co Gmbh Gegossene kunststofformteile
US5543477A (en) * 1991-09-24 1996-08-06 Chevron Chemical Company Copolymers of ethylene and alkyl acrylate with improved melt-point temperatures
US5468259A (en) * 1992-12-07 1995-11-21 Sheth; Paresh J. Dyeable polyolefin compositions and dyeing polyolefin compositions
US5550192A (en) * 1992-12-07 1996-08-27 Lyondell Petrochemical Company Dyeable polyolefin compositions and dyeing polyolefin compositions
US5464687A (en) * 1992-12-07 1995-11-07 Lyondell Petrochemical Company Wettable polyolefin fiber compositions and method
US5614574A (en) * 1994-07-12 1997-03-25 Lyondell Petrochemical Company Wettable polyolefin fiber compositions and method
FI974178A0 (fi) 1997-11-07 1997-11-07 Borealis As Polypropensammansaettningar

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE606041A (fr) * 1960-07-12
DE2033803B2 (de) * 1970-07-08 1974-10-03 Basf Ag, 6700 Ludwigshafen Polypropylen-Formmassen
DE2441147A1 (de) * 1974-08-28 1976-03-11 Basf Ag Verfahren zum herstellen von verpackungsbaendern aus einer polypropylenformmasse

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Kunststoff-Taschenbuch, 20. Ausgabe, Hansjürgen Saechtling, Carl Hanser Verlag, München/Wien (1977), Seiten 239-242 *

Also Published As

Publication number Publication date
EP0000783A2 (fr) 1979-02-21
ATA591278A (de) 1980-10-15
EP0000783A3 (en) 1979-03-07
IT1097591B (it) 1985-08-31
DE2736792A1 (de) 1979-03-01
DE2862029D1 (en) 1982-11-04
AT362581B (de) 1981-05-25
IT7826341A0 (it) 1978-07-31

Similar Documents

Publication Publication Date Title
EP0640650B1 (fr) Mélanges de polypropylène élastomère matières thermoplastiques non-oléfiniques
EP0000783B1 (fr) Article conformé à base de polypropylène
DE1104694B (de) Verfahren zur Herstellung von thermoplastischen Massen
DE1928369B2 (de) Verfahren zur Herstellung von glasfaserverstärkten, thermoplastischen Harzformpräparaten
EP0039396B1 (fr) Masse à mouler thermoplastique ternaire contenant un homopolymère de propylène
DE4191066C2 (de) Polypropylenharzzusammensetzung
DE2235052B2 (de) Thermoplastische formmassen zur herstellung schlagfester formkoerper
DE3248392C2 (fr)
DE1197226B (de) Formmassen aus Polypropylen und AEthylen-Mischpolymerisaten
DE2658810C2 (de) Holzmehlgefüllte Polyolefinformmassen mit verbesserten mechanischen Eigenschaften
DE4113826C2 (de) Propylenharzmasse
DE2061361C3 (de) Thermoplastische Formmasse
DE69133386T2 (de) Pfropfcopolymer enthaltende Polycarbonatharzzusammensetzung
WO1997029152A2 (fr) Melange polyethylene
EP0807663A2 (fr) Mélanges de polyoléfines à haute ténacité
DE2733470A1 (de) Binaere polypropylen-formmasse
EP0189544B1 (fr) Compositions thermoplastiques
EP0039395B1 (fr) Masse à mouler thermoplastique ternaire contenant un copolymère d'éthylène et de propylène
DE1494100A1 (de) Polyaethylenmasse
DE2338711C2 (de) Brandschutzmittel-Konzentrat zum Ausrüsten von Polypropylen
DE2359719A1 (de) Polymergemisch und verfahren zur verbesserung der eigenschaften eines ein nicht-gepfropftes, kristallisierbares polymerisat enthaltenden polymergemisches
EP0733674B1 (fr) Composition à mouler à base de polymère de l'éthylène haute densité
DE2735027A1 (de) Thermoplastische praeparate
DE2733469A1 (de) Ternaere polypropylen-formmasse
DE2140152B2 (de) Thermoplastische Formmassen mit verbesserter Fließfähigkeit

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Designated state(s): BE DE FR GB

AK Designated contracting states

Designated state(s): BE DE FR GB

17P Request for examination filed
GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Designated state(s): BE DE FR GB

REF Corresponds to:

Ref document number: 2862029

Country of ref document: DE

Date of ref document: 19821104

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 19940722

Year of fee payment: 17

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 19940801

Year of fee payment: 17

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 19940816

Year of fee payment: 17

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: BE

Payment date: 19940824

Year of fee payment: 17

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Effective date: 19950809

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Effective date: 19950811

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Effective date: 19950831

BERE Be: lapsed

Owner name: BASF A.G.

Effective date: 19950831

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 19950809

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Effective date: 19960430

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT