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Reinforced microcapillary membranes and foams

A technology of microcapillary and foam, applied in the direction of transportation and packaging, microstructure technology, microstructure devices, etc., can solve problems such as failure to meet mechanical properties

Inactive Publication Date: 2017-01-18
DOW GLOBAL TECH LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, currently available technologies fail to meet the required mechanical properties in a variety of end-use applications

Method used

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  • Reinforced microcapillary membranes and foams
  • Reinforced microcapillary membranes and foams
  • Reinforced microcapillary membranes and foams

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0092] The reinforced film 1 of the present invention was prepared according to the following procedure.

[0093] Matrix materials include linear low density polyethylene (LLDPE), which is known by the trade name DOWLEX TM NG5056G is available from The Dow Chemical Company and has a density of about 0.919 g / cm according to ASTM-D792 3 , and a melt index (I 2 ) is about 1.1 g / 10 minutes. The second thermoplastic material placed in the microcapillary is homopolymer polypropylene (hPP), which is sold under the trade name DOW TM Polypropylene H502-25RG was purchased from The Dow Chemical Company and had a density of 0.900 g / cm according to ISO1183 3 and a melt mass flow rate of 25 g / 10 min measured according to ISO 1133 at 230°C and 2.16 kg.

[0094] Both the primary and secondary extruders are single screw extruders. The main extruder was a Betol 1820J with a screw diameter of about 20 mm connected to a gear pump, thus providing a non-pulsating polymer flow. Downstream of t...

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Abstract

The present invention provides reinforced microcapillary membranes and / or foams. The reinforced film and / or foam of the present invention has a first end and a second end, wherein the film and / or foam comprises: (a) a matrix comprising a first thermoplastic material, (b) on the matrix at least one or more channels arranged in parallel from a first end of the membrane to a second end of the membrane, wherein the one or more channels are separated from each other by at least 1 μm, and wherein the one or more channels each have and (c) a second thermoplastic material disposed in the one or more channels, wherein the second thermoplastic material is different from the first thermoplastic material; wherein the film has a thickness of 2 μm to 2000 μm.

Description

technical field [0001] The present invention relates to reinforced microcapillary membranes and foams. Background technique [0002] The use of fibrous materials to improve the mechanical properties of polymeric films and / or foams is known. Furthermore, it is generally known that as the length of these fibrous materials bonded to polymer films and / or foams increases, these mechanical properties also improve. It is also known to use pultrusion to incorporate glass or carbon fibers into polymeric materials to reinforce these polymeric materials. However, currently available technologies fail to meet the required mechanical properties in a variety of end-use applications. [0003] Thus, despite efforts to reinforce these polymeric materials, there remains a need for reinforced microcapillary films and / or foams with improved mechanical properties. Contents of the invention [0004] The present invention provides reinforced microcapillary membranes and / or foams. The reinfor...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L23/08C08L23/12C08J5/00C08J9/35
CPCC08J5/18C08J9/0085C08J9/35C08L23/0815C08L23/12Y10T428/24744C08J2327/16C08J2205/052C08J9/04C08J2367/04C08J2327/06C08J2323/06C08J2369/00C08J2327/08C08J2325/06C08J2329/04C08J2377/02C08J2367/02C08J2323/12C08J2201/03C08J2323/08B81B1/004
Inventor L.G.扎拉米布斯蒂洛H.邦加茨R.J.库普曼斯
Owner DOW GLOBAL TECH LLC
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