WO1991013936A2 - Polyolefinformmassen und deren verwendung - Google Patents
Polyolefinformmassen und deren verwendung Download PDFInfo
- Publication number
- WO1991013936A2 WO1991013936A2 PCT/EP1991/000393 EP9100393W WO9113936A2 WO 1991013936 A2 WO1991013936 A2 WO 1991013936A2 EP 9100393 W EP9100393 W EP 9100393W WO 9113936 A2 WO9113936 A2 WO 9113936A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- molding compositions
- ethylene
- component
- compositions according
- weight
- Prior art date
Links
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
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C08L23/0869—Acids or derivatives thereof
-
- 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
- C08L23/06—Polyethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
Definitions
- the present invention relates to polyolefin molding compositions containing as essential components
- the invention relates to the use of the molding compositions according to the invention for the production of moldings by injection molding or extrusion, and to sheet-like or plate-shaped floor coverings produced from the polyolefin molding compositions according to the invention.
- Polyolefins are used in a wide range of industrial applications, a large number of different ones Products are known for different purposes, which have different property profiles.
- Highly crystalline polyolefin polymers offer improved mechanical stability, but form extremely smooth and therefore non-slip surfaces and are difficult to bond. In addition, there is often too little flexibility and a high sensitivity to stress cracking.
- the flexibility can be improved by adding products with impact modifying properties such as ethylene / propylene copolymers or ethylene / propylene / diene terpolymers (EPDM rubbers), but this is often at the expense of other desirable properties.
- impact modifying properties such as ethylene / propylene copolymers or ethylene / propylene / diene terpolymers (EPDM rubbers), but this is often at the expense of other desirable properties.
- DE-A 33 06 776 discloses a polyolefin molding composition which contains ethylene / vinyl acetate copolymers as the main component.
- ethylene / vinyl acetate copolymers have some properties which are disadvantageous for use in industrial flooring, in particular a relatively high shrinkage and a relatively low hardness.
- the object of the present invention was to provide polyolefin molding compositions which are particularly suitable for the production of industrial floor coverings, for. B. the in particular a high resilience (and associated small residual impressions according to DIN 51 955), a high impact strength and flexibility, a low depth of impression and a low rolling friction resistance, a high dimensional stability under heat, a high slip resistance and a high Have abrasion resistance and can be glued to a variety of underlays or are easy to weld, and are ultimately resistant to chemicals. According to the invention, this object is achieved by the polyolefin molding compositions defined at the outset.
- compositions of this type can be found in the subclaims.
- the polyolefin molding compositions according to the invention contain 10 to 40, preferably 11 to 35 and in particular 12 to 25% by weight of apolar polyolefins.
- the polymers of component A) advantageously have a high degree of crystallinity.
- both polyethylene and polypropylene or mixtures of both polymers are preferred.
- Ethylene polymers as component A) preferably have a density in the range from 0.94 to 0.97 g / cm 3 , in particular from 0.945 to 0.965 g / cm 3 and degrees of crystallinity of at least 50%, preferably more than 60%.
- the melt index is generally in the range from 0.01 to 40 g / 10 min, preferably 0.1 to 30 g / 10 min, measured at 190 ° C. and a load of 2.16 kg.
- Suitable types of polyethylene are commercially available, for example so-called MDPE (medium density polyethylene) or HDPE (high density polyethylene) under the trade name Lupolen from BASF AG. Mixtures of different polyethylenes can of course also be used as component A).
- the propylene polymers which can also be used as component A) are also known per se to the person skilled in the art and are commercially available.
- Isotactic propylene polymers with a high degree of crystallinity are generally suitable.
- the densities of such products are generally in the range from 0.88 to 0.92, in particular from 0.89 to 0.91 g / cm 3, and the volume flow index (MVI) is, depending on the molecular weight of the particular polypropylene range of 0.1 to 100 cm 3/10 min, preferably in the range of 0.2 to 60 cm 3/10 min, measured according to DIN 53 735 at 230 ° C and 2.16 kg load.
- Suitable polypropylenes are available under the name Novolen® 1100 and 1300 from BASF AG.
- component A) are copolymers of ethylene with other 1-olefins, in particular propylene and their mixtures with MDPE, HDPE and / or isotactic polypropylene.
- block and statistical copolymers are suitable, the proportions of the individual monomers being subject to no particular restriction.
- Suitable copolymers are available under the names Novolen ® 23 .. or 25 .. and Novolen 32 .. or 35 ..
- REPLACEMENT LEAF influenced that when using HDPE and / or MDPE at high processing temperatures and high shear forces certain advantages over polypropylene or copolymers are achieved.
- Component B which makes up 50 to 89, in particular 57 to 87 and particularly preferably 62 to 85% by weight, based on the total weight of components A) to C), is an ethylene copolymer based on ethylene and unsaturated carboxylic acids and / or ionomers based on such ethylene copolymers.
- the copolymers are composed of 50 to 99% by weight of ethylene and 1 to 50% by weight of carboxylic acids or their derivatives, a minimum amount of units derived from free carboxylic acids being present.
- Suitable carboxylic acids are unsaturated mono- and dicarboxylic acids with preferably 3 to 12 carbon atoms, in particular acrylic acid, methacrylic acid, fumaric acid and maleic acid, of which the first two are preferred.
- Maleic anhydride behaves like free maleic acid under the processing conditions and is therefore also to be assigned to this group.
- the proportion of unsaturated carboxylic acids is generally 0.5 to 20 and preferably 1 to 15% by weight, based on the total weight of the ethylene copolymers.
- the density of the ethylene copolymers which can be used according to the invention as component B) is generally in the range from 0.91 to 0.96, in particular from 0.92 to 0.95 g / cm 3, and the melt index is in the range from 0.1 up to 100, preferably from 0.5 to 30 g / 10 min, measured at 190 ° C. and a load of 2.16 kg according to DIN 53 735.
- Suitable ionomers as component B) are those which can be obtained by partially or completely neutralizing the carbonyl groups of the ethylene copolymers described above with metal salts, in particular Zn or Na salts.
- a process for the production of such products as well as such products per se are e.g. B. described in US-A 3,264,272 or known to those skilled in the art, so that further details are unnecessary here. It goes without saying that mixtures of ethylene copolymers and ionomers as component B) can be used in any mixing ratio.
- the suitable ionomers preferably have a density in the range from 0.92 to 0.97, preferably from 0.93 to 0.95 g / cm 3 and a melt index from 0.5 to 30, preferably from 1.0 to 20 g / 10 min, measured at 190 ° C and a load of 2.16 kg.
- Suitable ethylene copolymers or ionomers are available under the name Lucalen® from BASF AG.
- the polyolefin molding compositions according to the invention contain 1 to 10, preferably 2 to 8 and, as component C) in particular 2 to 6% by weight of a non-fibrous polymer different from A and B.
- Polyamides and polycarbonates or mixtures thereof are particularly suitable as component C).
- component C) is present in the molding composition in a non-fibrous form, for example as a result of incorporation in granular or pulp form.
- component C) applied to the surface of component A) into the mixture.
- Products of this type are available for the production of foils and, accordingly, recyclates or regrind waste therefrom can also be used well.
- Suitable polyamides are e.g. B. poly- ⁇ -caprolactam (polyamide 6), polyhexamethylene adipamide (polyamide-66) and polyamide-11 and polyamide-12.
- the relative viscosity of such products is generally in the range from 1.2 to 5.0, preferably from 1.8 to 4.0, measured in 0.5% strength solution in 96% strength by weight H 2 SO 4 DIN 53 727.
- polycarbonates are also suitable as component C), polycarbonates based on bisphenol A or its substituted derivatives being preferred in particular. Mixtures of polyamides and polycarbonates can of course also be used. Suitable polyamides and polycarbonates are known to the person skilled in the art, for. B. known under the names Ultramid (BASF AG) or Lexan ® (General Electric Co. Ltd.) and commercially available, so that further details on their manufacture are unnecessary here.
- Ultramid BASF AG
- Lexan ® General Electric Co. Ltd.
- the products suitable as component C) can advantageously be used as recyclates from production waste in pure form or as coextrudates with partially crystalline polyethylene, preferably in the form of ground material with a particle size of up to 5 mm, in particular in the form of flakes be used.
- the choice of the suitable polyamide or polycarbonate depends on the desired profile of properties, the particular advantages of the individual polyamides or polycarbonates being known to the person skilled in the art.
- An important advantage of the present invention is that optimal molding properties can be achieved in the molding compositions without the addition of fibrous reinforcing agents. H. such fillers are advantageously not included. This makes processing much easier.
- the molding compositions according to the invention can contain 0 to 40, preferably 0.2 to 35 and in particular 0.5 to 25% by weight of conductive fillers in order to achieve the
- the molding compositions according to the invention may also contain conventional additives and processing aids, as are known to the person skilled in the art for polyolefin processing. Only additives for improving the fire properties or pigments for coloring as well as lubricants and mold release agents are mentioned here, for example.
- the molding compositions according to the invention are advantageously produced in such a way that at least some of the phases are linked to one another in the course of the mixing.
- This is e.g. B. achieved by mixing at elevated temperatures and / or the application of high shear forces.
- a particularly suitable process is the mixing of the components in solid form and subsequent melting in an extruder for homogenization. Moldings can then be produced from the granules obtained after extrusion.
- the polyolefin molding compositions according to the invention are particularly suitable for the production of floor coverings in the industrial area, in particular in sheet or sheet form.
- Such floor coverings are characterized by a good combination of
- a polyolefin alloy according to the invention consisting of
- melt index 15 to 19 g / 10 min (MFI 190 / 2.16) (Lucalen® A 3710S from BASF AG)
- mixture B is in a batch without the addition of carbon black as mixture A and in a batch with 0.2 mass% as mixture B.
- Thrust module (N / mm 2 340 320
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)
- Floor Finish (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEP4007642.3 | 1990-03-10 | ||
DE19904007642 DE4007642A1 (de) | 1990-03-10 | 1990-03-10 | Mischungszusammensetzung und polyolefin-legierung fuer die herstellung von formteilen, platten und bahnen mit hoher festigkeit und rueckstellelastizitaet |
Publications (2)
Publication Number | Publication Date |
---|---|
WO1991013936A2 true WO1991013936A2 (de) | 1991-09-19 |
WO1991013936A3 WO1991013936A3 (de) | 1991-10-31 |
Family
ID=6401888
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1991/000393 WO1991013936A2 (de) | 1990-03-10 | 1991-03-02 | Polyolefinformmassen und deren verwendung |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0519947A1 (de) |
DE (1) | DE4007642A1 (de) |
HU (1) | HUT62630A (de) |
WO (1) | WO1991013936A2 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002073630A2 (en) * | 2001-03-08 | 2002-09-19 | Union Carbide Chemicals & Plastics Technology Corporation | Semiconducting shield compositions |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR0183464B1 (ko) * | 1992-05-14 | 1999-04-01 | 우에나까 마사노리 | 폴리올레핀계 타일 카핏 및 그 제법 |
DE4436418A1 (de) * | 1994-10-12 | 1996-04-18 | Buna Sow Leuna Olefinverb Gmbh | Polyethylen-Formmasse |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE702105A (de) * | 1966-08-01 | 1968-01-31 | ||
GB1273359A (en) * | 1968-12-02 | 1972-05-10 | Silleck Engineering Ltd | Improvements in shoe bottoming components |
FR2139136A1 (de) * | 1971-05-26 | 1973-01-05 | Basf Ag | |
US4083824A (en) * | 1977-04-20 | 1978-04-11 | Armstrong Cork Company | Non-vinyl surface covering composition |
DE3711730A1 (de) * | 1987-04-10 | 1988-10-27 | Ter Hell Plastic Gmbh | Verfahren zur herstellung von polymerlegierungen sowie derartige polymerlegierungen |
EP0321760A1 (de) * | 1987-12-19 | 1989-06-28 | Ht Troplast Ag | Homogene, mehrfarbig strukturierte Kunststoffbahn oder -platte sowie Verfahren zu deren Herstellung |
US4858924A (en) * | 1985-05-01 | 1989-08-22 | Bridgestone Corporation | Solid golf ball |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4387188A (en) * | 1981-02-23 | 1983-06-07 | E. I. Du Pont De Nemours And Company | Molding resins based on blends of acid copolymer/linear polyolefin/reinforcing fiber |
-
1990
- 1990-03-10 DE DE19904007642 patent/DE4007642A1/de not_active Ceased
-
1991
- 1991-03-02 EP EP19910905131 patent/EP0519947A1/de not_active Ceased
- 1991-03-02 HU HU922896A patent/HUT62630A/hu unknown
- 1991-03-02 WO PCT/EP1991/000393 patent/WO1991013936A2/de not_active Application Discontinuation
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE702105A (de) * | 1966-08-01 | 1968-01-31 | ||
GB1273359A (en) * | 1968-12-02 | 1972-05-10 | Silleck Engineering Ltd | Improvements in shoe bottoming components |
FR2139136A1 (de) * | 1971-05-26 | 1973-01-05 | Basf Ag | |
US4083824A (en) * | 1977-04-20 | 1978-04-11 | Armstrong Cork Company | Non-vinyl surface covering composition |
US4858924A (en) * | 1985-05-01 | 1989-08-22 | Bridgestone Corporation | Solid golf ball |
DE3711730A1 (de) * | 1987-04-10 | 1988-10-27 | Ter Hell Plastic Gmbh | Verfahren zur herstellung von polymerlegierungen sowie derartige polymerlegierungen |
EP0321760A1 (de) * | 1987-12-19 | 1989-06-28 | Ht Troplast Ag | Homogene, mehrfarbig strukturierte Kunststoffbahn oder -platte sowie Verfahren zu deren Herstellung |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002073630A2 (en) * | 2001-03-08 | 2002-09-19 | Union Carbide Chemicals & Plastics Technology Corporation | Semiconducting shield compositions |
WO2002073630A3 (en) * | 2001-03-08 | 2003-02-06 | Union Carbide Chem Plastic | Semiconducting shield compositions |
Also Published As
Publication number | Publication date |
---|---|
WO1991013936A3 (de) | 1991-10-31 |
EP0519947A1 (de) | 1992-12-30 |
HUT62630A (en) | 1993-05-28 |
HU9202896D0 (en) | 1992-11-30 |
DE4007642A1 (de) | 1991-09-12 |
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