Polyolefin composition with poly(phenylene ether) filler and article thereof
一种亚苯基醚、组合物的技术，应用在具有聚(亚苯基醚)填料的聚烯烃组合物及其制品领域
Inactive Publication Date: 2016-08-10
SABIC GLOBAL TECH BV
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- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
However, other properties such as elongation, impact strength, and melt flow can be adversely affected by blending poly(phenylene ether) with polyolefins
Method used
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Examples
Experimental program
Comparison scheme
Effect test
Embodiment approach 1
[0077] Embodiment 1: A composition comprising: 65 to 97.5 weight percent polyolefin; 2.5 to 25 weight percent polyolefin having an intrinsic viscosity of 0.01 to 0.15 deciliters / gram measured in chloroform at 25°C poly(phenylene ether); and 0 to 10 weight percent compatibilizer; wherein all weight percents are based on the total weight of polyolefin, poly(phenylene ether) and compatibilizer.
Embodiment approach 2
[0078] Embodiment 2: The composition of Embodiment 1, wherein the oligomeric poly(phenylene ether) has a weight average molecular weight of 1,000 to 10,000 atomic mass units as measured by gel permeation chromatography.
Embodiment approach 3
[0079] Embodiment 3: The composition of Embodiment 1 or 2, wherein the oligomeric poly(phenylene ether) comprises poly(2,6-dimethyl-4-phenylene ether).
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Abstract
Polyolefin compositions useful as molding compositions comprise oligomeric poly(phenylene ether) as an organic filler. The composition comprises specific amounts of polyolefin and oligomeric poly(phenylene ether). The polyolefin can be a polyethylene homopolymer, an ethylene-containing copolymer, a polypropylene homopolymer, a polypropylene-containing copolymer, or a combination thereof. The oligomeric poly(phenylene ether) can be monofunctional or bifunctional. The composition can further comprise a compatibilizer for the poly(phenylene ether) and polyolefin phases of the composition. The compatibilizer can comprise a hydrogenated, partially hydrogenated, or non-hydrogenated block copolymer of an alkenyl aromatic compound and a conjugated diene, or a combination thereof.
Description
Background technique [0001] Polyethylene is a versatile and inexpensive plastic that is used in the highest amount of any plastic. Polyethylene has toughness, near-zero moisture absorption, excellent electrical insulating properties, a low coefficient of friction, and is easy to process. Specialty grades of polyethylene include low density polyethylene (LDPE), medium density polyethylene (MDPE) and many others. For example, LDPE is used in food packaging films, including stretch and shrink wrap; in plastic bags, such as grocery bags, laundry and dry cleaning bags; in extruded wire and cable insulation; (closures, closures) and toys. [0002] Polyethylene is not a high performance plastic. Polyethylene is semi-crystalline and has a low glass transition temperature and crystalline melting point. It therefore tends to lose its mechanical properties above its glass transition temperature. For example, polyethylene may have a lower heat deflection temperature. Therefore polye...
Claims
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IPC IPC(8): C08L23/00C08L71/12C08L53/00C08J5/00
CPCC08L23/12C08L23/06C08L71/12C08L53/025C08K3/016C08K5/0066C08L27/18C08L2666/84C08L2201/02
Inventor 尤哈-马蒂·列瓦萨尔米金·G·鲍尔弗
Owner SABIC GLOBAL TECH BV