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Product made of clay embedded with block copolymer

A technology of block copolymer and clay, which is applied in the treatment of dyed polymer organic compounds, silicon compounds, aluminum compounds, etc., can solve the problems of loss of mechanical strength and achieve the effect of improving modulus and improving physical properties

Inactive Publication Date: 2003-05-21
EASTMAN KODAK CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the thinning of the backsheet results in a loss of mechanical strength

Method used

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  • Product made of clay embedded with block copolymer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1 to 3

[0079] Samples of Examples 1 to 3 were prepared by weighing predetermined amounts of Na Cloisite clay and PEO-b-PCL in glass containers. The mixture was heated in the oven at 70°C, mixed with a spatula, heated on a hot plate, then mixed with the spatula again and cooled to ambient temperature (21°C). An aliquot of Examples 1 to 3 in the solid state was placed between two polytetrafluoroethylene or polyimide sheets and then pressed using a Carver press while the heating plate was maintained at 175°C. The (001) basal-planar spacing of the film samples obtained was analyzed by means of XRD. The XRD results for Examples 1 to 3 and Na Cloisite clay are summarized in Table 1. These data indicate that PEO-PCL is embedded in Na Cloisite clay, as reflected by the (001) basal plane spacing.

[0080] sample

[0081] Samples for Examples 4 to 6 were prepared by weighing predetermined amounts of Na Cloisite or Cloisite 25A clay and PEO-b-PCL into separate glass containers. Hea...

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Abstract

An intercalated clay comprising a clay intercalated with a block copolymer wherein said block copolymer comprises a hydrophilic block capable of intercalating said clay. An additional embodiment is an article comprising a matrix polymer and clay wherein said clay is intercalated with a block copolymer, wherein said block copolymer comprises a hydrophilic block capable of intercalating said clay and a matrix compatible block compatible with said matrix polymer.

Description

technical field [0001] The present invention relates to layered materials, such as clays, embedded with one or more block copolymers. Background technique [0002] The use of inorganic nanoparticles as additives to improve polymer properties has been well established for the past decade. From the foundational work carried out at the Toyota Central Research Laboratory, polymer-clay nanocomposites have had many important impacts throughout industry. The unique physical properties of these nanocomposites have been exploited by various industries such as the automotive industry, packaging industry and plastics manufacturing. These properties include improved mechanical properties such as modulus of elasticity and tensile strength; thermal properties such as coefficient of linear thermal expansion and heat deflection temperature; impermeability such as oxygen and water vapor transmission rates; flame retardancy; ablative properties ; solvent absorption; etc. See US Patents 4,7...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L101/12C01B33/44C01F7/785C08K3/34C08K9/08C09C1/42G03C1/95
CPCC08K9/08C01B33/44C01F7/005C01P2002/22G03C1/95C01P2002/72C09C1/42C01F7/785
Inventor N·敦图拉D·马朱姆达T·N·布兰顿M·奈尔D·J·马萨
Owner EASTMAN KODAK CO
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