CA2503153A1 - Scratch and mar resistant soft ethylene elastomer compositions - Google Patents
Scratch and mar resistant soft ethylene elastomer compositions Download PDFInfo
- Publication number
- CA2503153A1 CA2503153A1 CA002503153A CA2503153A CA2503153A1 CA 2503153 A1 CA2503153 A1 CA 2503153A1 CA 002503153 A CA002503153 A CA 002503153A CA 2503153 A CA2503153 A CA 2503153A CA 2503153 A1 CA2503153 A1 CA 2503153A1
- Authority
- CA
- Canada
- Prior art keywords
- composition
- filler
- compatibalizer
- mica
- silicone
- 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.)
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
-
- 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
-
- 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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/14—Peroxides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L51/06—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
Abstract
A soft ethylene elastomer composition imparting improved scratch and mar resistance properties is provided wherein the composition comprises a soft ethylene elastomer component and an effective amount of a filler, preferably mica, a silicone and a compatibalizer to impart improved scratch and mar resistance properties of the composition while not significantly decreasing the softness of the composition or increasing the gloss of the composition.< /SDOAB>
Claims (45)
1. A composition comprising a soft ethylene elastomer component and an effective amount of filler and silicone to impart improved scratch and mar resistance properties to the composition while not significantly decreasing the softness of the composition.
2. The composition of claim 1 further comprising a compatibalizer.
3. The composition of claims 1 ar 2 wherein the filler comprises from about 1 %
to about 20%, preferably from about 2% to about 15%, more preferably from about 3% to about 12% and most preferably from about 4% to about 10% by weight of the total composition.
to about 20%, preferably from about 2% to about 15%, more preferably from about 3% to about 12% and most preferably from about 4% to about 10% by weight of the total composition.
4. The composition of claim 3 wherein the filler is a hard, spherical or elongated filler.
5. The composition of claim 4 wherein the filler is activated alumina.
6. The composition of claim 3 wherein the filler is a platy filler.
7. The composition of claim 6 wherein the filler is selected from the group consisting of mica, talc or clay.
8. The composition of claim 7 wherein the filler is mica.
9. The composition of claim 8 wherein the mica is a wet-ground mica
10. The composition of claim 9 wherein the mica is a wet-ground mica of 325 mesh.
11. The composition of any of claims 1 to 10 wherein the silicone comprises from about 0.1 to about 2.5 %, preferably from about 0.2 to about 1.0%, most preferably from about 0.25 to about 0,6% of the total composition.
12. The composition of claim 11 wherein the silicone is a higher molecular weight silicone with a fluid viscosity of at least 1,000 CSt, preferably at least 10,000 CSt.
13. The composition of claim 12 wherein the higher molecular weight silicone is a polydimethylsiloxane.
14. The composition of any of claims 2 to 13, wherein the compatibalizer comprises from about 0.1% to about 10%, preferably from about 0.25 % to about 7%
by weight of the total composition.
by weight of the total composition.
15. The composition of claim 14 wherein the compatibalizer is a functionalised polyolefin.
16. The composition of claim 15 wherein the compatibalizer is a maleic anhydride grafted polyolefin.
17. The composition of claim 16 wherein the compatibalizer is a malefic anhydride grafted EAO polymer.
18. The composition of any ana of claims 1 to 17, wherein the soft ethylene elastomer component is a rheology-modified, low gel thermoplastic elastomer composition comprising at least one elastorneric EAO polymer or EAO polymer blend and at least one high melting polymer selected from polypropylene homopolymers and propylene/ethylene copolymers.
19. The composition of claim 18, wherein the elastomeric EAO polymer or EAO
polymer blend comprises from about 50 to about 95% by weight of the soft ethylene elastomer component and the high melting polymer comprises from about 5 to about 50% by weight of the soft ethylene elastomer component.
polymer blend comprises from about 50 to about 95% by weight of the soft ethylene elastomer component and the high melting polymer comprises from about 5 to about 50% by weight of the soft ethylene elastomer component.
20. The composition of claim 18 or 19, wherein the rheology modification is peroxide induced using a level of peroxide sufficient to provide the combination of characteristics, the peroxide being an organic peroxide selected from .alpha., .alpha.'-bis(t-butylperoxy)-diisopropylbenzene, dicymyl peroxide, 2,5-dimethyl-2,5-di-(t-butyl peroxy)hexane, di-t- butylperoxide, 2,5-di(t-amyl peroxy)-2,5-dimethylhexane, 2,5-di-(t-butylperoxy)- 2,5-diphenylhexane, bis(alpha-methylbenzyl)peroxide, benzoyl peroxide, t-butyl perbenzoate and bis(t-butylperoxy)-diisopropylbenzene.
21. The composition of claim 20 further comprising at least one suitable co-agent with the peroxide.
22. The composition of any one of claims 1 to 21, further comprising at least one additive selected from the group consisting of EAOs that have not been rheology modified, process oils, plastioizers, specialty additives and pigments.
23. The composition of claim 22, wherein the specialty additives comprise one or more additives selected from the group consisting of: frame retardants;
antioxidants;
surface tension modifiers; anti- block agents; lubricants; antimicrobial agents such as organometallics, isothtazolones, organosulfurs and mercaptans; antioxidants such as phenolics, secondary amines, phophites and thioesters; antistatic agents such as quaternary ammonium compounds, amines, and ethoxylated, propoxylated or glycerol compounds; hydrolytic stabilizers; lubricants such as fatty acids, fatty alcohols, esters, fatty amides, metallic stearates, paraffinic and microcrystalline waxes, silicones and orthophosphoric acid esters; mold release agents such as fine-particle or powdered solids, soaps, waxes, silicones, polyglycols and complex esters such as trimethylol propane tristearate or pentaerythritol tetrastearate; pigments, dyes and colorants;
plasticizers such as esters of dibasic acids (or their anhydrides) with monohydric alcohols such as o-phthalates, adipates and benzoates; heat stabilizers such as organotin mercaptides, an octyl ester of thioglycolic acid and a barium or cadmium carboxylate; ultraviolet light stabilizers such as a hindered amine, an o-hydroxy-phenylbenzotriazole, a 2- hydroxy,4-alkoxyenzophenone, a salicylate, a cynoacrylate, a nickel chelate and a benzylidene malonate and oxalanilide; and zeolites, molecular sieves and other known deodorizers.
antioxidants;
surface tension modifiers; anti- block agents; lubricants; antimicrobial agents such as organometallics, isothtazolones, organosulfurs and mercaptans; antioxidants such as phenolics, secondary amines, phophites and thioesters; antistatic agents such as quaternary ammonium compounds, amines, and ethoxylated, propoxylated or glycerol compounds; hydrolytic stabilizers; lubricants such as fatty acids, fatty alcohols, esters, fatty amides, metallic stearates, paraffinic and microcrystalline waxes, silicones and orthophosphoric acid esters; mold release agents such as fine-particle or powdered solids, soaps, waxes, silicones, polyglycols and complex esters such as trimethylol propane tristearate or pentaerythritol tetrastearate; pigments, dyes and colorants;
plasticizers such as esters of dibasic acids (or their anhydrides) with monohydric alcohols such as o-phthalates, adipates and benzoates; heat stabilizers such as organotin mercaptides, an octyl ester of thioglycolic acid and a barium or cadmium carboxylate; ultraviolet light stabilizers such as a hindered amine, an o-hydroxy-phenylbenzotriazole, a 2- hydroxy,4-alkoxyenzophenone, a salicylate, a cynoacrylate, a nickel chelate and a benzylidene malonate and oxalanilide; and zeolites, molecular sieves and other known deodorizers.
24. A process for preparing the composition of any one of claims 1-23 comprising the steps of:
a. adding filler and silicone to a soft ethylene elastomer composition at a mixing temperature from about 180°c to about 220°c, preferably from about 190°C to about 214°C; and, b. pelletizing the composition of step (a) at a second temperature below the mixing temperature.
a. adding filler and silicone to a soft ethylene elastomer composition at a mixing temperature from about 180°c to about 220°c, preferably from about 190°C to about 214°C; and, b. pelletizing the composition of step (a) at a second temperature below the mixing temperature.
25. The process of claim 24 further comprising the step of adding a compatibalizer to the composition.
26. The process of claim 25 wherein the falter is added as a pre-made masterbatch
27. The process of claim 25 wherein the filler and the compatibalizer are added as a pre-made masterbatch
28. The process of claims 24 to 27 wherein the filler comprises from about 1%
to about 20%, preferably from, about 2% to about 15%, more preferably from about 3%
to about 12% and most preferably from about 4% to about 10% by weight of the total composition.
to about 20%, preferably from, about 2% to about 15%, more preferably from about 3%
to about 12% and most preferably from about 4% to about 10% by weight of the total composition.
29. The process of claim 28 wherein the filler is a hard, spherical or elongated filler.
30. The process of claim 29 wherein the filler is activated alumina.
31. The process of claim 28 wherein the filler as a platy filler,
32. The process of claim 31 wherein the filler is selected from the group consisting of mica, talc or clay.
33. The process of claim 32 wherein the filler is mica.
34. The process of claim 33 wherein the mica is a wet ground mica
35. The process of claim 34 wherein the mica is a wet-ground mica of 325 mesh.
36. The process of any of claims 24 to 35 wherein the silicone comprises from about 0.1 to about 2.5 %, preferably from about 0.2 to about 1.0%, most preferably from about 0.25 to about 0.6% of the total composition.
37. The process of claim 36 wherein the silicone is a higher molecular weight silicone with a fluid viscosity of at least 1,000 CSt, preferably at least 10,000 CSt.
38. The process of claim 37 wherein the higher molecular weight silicone is a polydimethylsiloxane.
39. The process of any of claims 25 to 38, wherein the compatibalizer comprises from about 0.1% to about 10%, preferably from about 0.25% to about 7% by weight of the total composition.
40. The process of claim 39 wherein the compatibalizer is a functionalised polyolefin.
41. The process of claim 40 wherein the compatibalizer is a maleic anhydride grafted polyolefin.
42. The process of claim 41, wherein the compatibalizer is a malefic anhydride grafted EAO polymer.
43. An article of manufacture having at least one component thereof fabricated from the composition of any one of claims 1 to 23, the article of manufacture is selected from the group consisting of: automobile interior parts, automobile exterior parts, consumer goods with soft touch grips and consumer appliances with soft touch surfaces.
44. An injection molded article of manufacture having at least one component thereof fabricated from the composition of any one of claims 1 to 23 wherein the artiste of manufacture is used in airbag door of other automotive interior applications.
45. An article of manufacture having at least one component thereof fabricated from the composition of any one of claims 1 to 23 wherein the article of manufacture is used in automotive interior applications.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA2503153A CA2503153C (en) | 2002-10-22 | 2003-10-21 | Scratch and mar resistant soft ethylene elastomer compositions |
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2409580 CA2409580A1 (en) | 2002-10-22 | 2002-10-22 | Scratch and mar resistant soft ethylene elastomer compounds |
| CA2,409,580 | 2002-10-22 | ||
| CA2,423,078 | 2003-03-21 | ||
| CA 2423078 CA2423078A1 (en) | 2002-10-22 | 2003-03-21 | Scratch and mar resistant soft ethylene elastomer compositions |
| CA2503153A CA2503153C (en) | 2002-10-22 | 2003-10-21 | Scratch and mar resistant soft ethylene elastomer compositions |
| PCT/CA2003/001599 WO2004037916A2 (en) | 2002-10-22 | 2003-10-21 | Scratch and mar resistant soft ethylene elastomer compositions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2503153A1 true CA2503153A1 (en) | 2004-05-06 |
| CA2503153C CA2503153C (en) | 2011-12-13 |
Family
ID=34753234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2503153A Expired - Fee Related CA2503153C (en) | 2002-10-22 | 2003-10-21 | Scratch and mar resistant soft ethylene elastomer compositions |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2503153C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110655710A (en) * | 2018-06-29 | 2020-01-07 | 合肥杰事杰新材料股份有限公司 | Scratch-resistant impact-resistant polypropylene material and preparation method thereof |
| CN112469783A (en) * | 2018-07-30 | 2021-03-09 | 陶氏环球技术有限责任公司 | Elastomer composition |
-
2003
- 2003-10-21 CA CA2503153A patent/CA2503153C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110655710A (en) * | 2018-06-29 | 2020-01-07 | 合肥杰事杰新材料股份有限公司 | Scratch-resistant impact-resistant polypropylene material and preparation method thereof |
| CN110655710B (en) * | 2018-06-29 | 2022-05-10 | 合肥杰事杰新材料股份有限公司 | Scratch-resistant impact-resistant polypropylene material and preparation method thereof |
| CN112469783A (en) * | 2018-07-30 | 2021-03-09 | 陶氏环球技术有限责任公司 | Elastomer composition |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2503153C (en) | 2011-12-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |
Effective date: 20211021 |