US5698309A
Expired / Lapsed
US
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Molded bodies made of polyester containing covalent-bonded oxide particles
Assignee: Hoechst AG
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Filing: 1993-09-30
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Granted: 1997-12-16
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Expires: 2013-09-30
Abstract
Abstract PCT No. PCT/EP93/02660 Sec. 371 Date Apr. 5, 1995 Sec. 102(e) Date Apr. 5, 1995 PCT Filed Sep. 30, 1993 PCT Pub. No. WO94/07945 PCT Pub. Date Apr. 14, 1994Moldings, preferably comprising polyester which contains oxide particles which have been subjected to a surface modification with a silylating agent of the formula I[R1R2R3]Si-(CH2)l-X-R4 (I)wherein R1 is Cl or alkoxy having 1 to 6 carbon atoms, R2 and R3 are alkyl having 1 to 6 carbon atoms or R1, l is a number from 1 to 6, X is a single bond, O, NH, CONH or NHCONH, R4 is <IMAGE> where Y is CH, <IMAGE> Z is OR or two radicals Z together are -O- or NR and m and n are a number from 0 to 6, or R4 is <IMAGE> where X is a single bond and R, R' and R'' are H or alkyl having 1 to 6 carbon atoms, and the use of said moldings are described.
Inventors
- 👤 Hermann Dallmann
- 👤 Joachim Kinkel
- 👤 Kurt Marquard
- 👤 Ludwig Pohl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:56
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/18; C08K; C08K3/00; C08K3/18; C08K3/20; C08K3/22; B; B82; B82Y; B82Y30/00; C08K9/00; C08K9/04; C08K9/06; C08L; C08L67/00; C08L67/02; C09; C09C; C09C1/00; C09C1/28; C09C1/30; C09C1/3081; C09C3/00; C09C3/12; C01; C01P; C01P2004/00; C01P2004/30; C01P2004/32; C01P2004/51; C01P2004/52; C01P2004/60; C01P2004/61; C01P2004/62; C01P2004/64; C01P2004/80; C01P2006/00; C01P2006/90; C08J2367/00; C08J2367/02; Y; Y10; Y10T; Y10T428/00; Y10T428/25; Y10T428/256; Y10T428/259; Y10T428/29; Y10T428/2982; Y10T428/2991; Y10T428/2993; Y10T428/2995; Y10T428/31504; Y10T428/31786
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
152 words
A molding or shaped article comprising a polyester which contains, based on the weight of the polyester, from 0.005 to 20% by weight of oxide particles which have been subjected to surface modification with a silylating agent of the formula I R.sup.1 R.sup.2 R.sup.3 !Si--(CH.sub.2).sub.l --X--R.sup.4(I) wherein R 1 is Cl or alkoxy having 1 to 6 carbon atoms, R 2 and R 3 are alkyl having 1 to 6 carbon atoms or R 1 , l is a number from 1 to 6, X is a single bond, O, NH, CONH or NHCONH, R 4 is ##STR7## where Y is CH, ##STR8## Z is OR or two radicals Z together are --O-- or NR and m and n are a number from 0 to 6, or R 4 is ##STR9## where X is a single bond and R, R' and R" are H or alkyl having 1 to 6 carbon atoms.
Claim 2
Dependent Claim
152 words
A molding or shaped article comprising a polyester which contains, based on the weight of the polyester, from 0.005 to 20% by weight of oxide particles which have been subjected to surface modification with a silylating agent of the formula I R.sup.1 R.sup.2 R.sup.3 !Si--(CH.sub.2).sub.l --X--R.sup.4(I) wherein R 1 is Cl or alkoxy having 1 to 6 carbon atoms, R 2 and R 3 are alkyl having 1 to 6 carbon atoms or R 1 , l is a number from 1 to 6, X is a single bond, O, NH, CONH or NHCONH, R 4 is ##STR7## where Y is CH, ##STR8## Z is OR or two radicals Z together are --O-- or NR and m and n are a number from 0 to 6, or R 4 is ##STR9## where X is a single bond and R, R' and R" are H or alkyl having 1 to 6 carbon atoms.
Claim 3
Dependent Claim
23 words
The molding as claimed in claim 1, wherein the polyester is polyethylene terephthalate, polybutylene terephthalate, poly-1,4-cyclohexylene dimethylene terephthalate, polyethylene 2,6-naphthalenedicarboxylate or polyethylene p-hydroxybenzoate.
Claim 4
Dependent Claim
23 words
The molding as claimed in claim 2, wherein the RSV value of the polyester is in the range from 0.40 to 1.0 dl/g.
Claim 5
Dependent Claim
23 words
The molding as claimed in claim 1, wherein the RSV value of the polyester is in the range from 0.40 to 1.0 dl/g.
Claim 6
Dependent Claim
39 words
The molding as claimed in claim 1, wherein an oxide of the oxide particles is SiO 2 , TiO 2 , ZrO 2 , Al 2 O 3 , V 2 O 5 or Nb 2 O 5 .
Claim 7
Dependent Claim
13 words
The molding as claimed in claim 1, wherein said molding is a film.
Claim 8
Dependent Claim
15 words
The molding as claimed in claim 6, wherein the film has one or more layers.
Claim 9
Dependent Claim
15 words
The molding as claimed in claim 7, wherein the film comprises a plurality of layers.
Claim 10
Dependent Claim
14 words
The molding as claimed in claim 8, wherein all layers have been simultaneously extruded.
Claim 11
Dependent Claim
15 words
The molding as claimed in claim 8, wherein the film is monoaxially or biaxially oriented.
Claim 12
Dependent Claim
23 words
The molding as claimed in claim 7, wherein the film comprises a plurality of layers, each layer consisting essentially of a different polyester.
Claim 13
Dependent Claim
13 words
The molding as claimed in claim 6, wherein the film is monoaxially oriented.
Claim 14
Dependent Claim
13 words
The molding as claimed in claim 6, wherein the film is biaxially oriented.
Claim 15
Dependent Claim
12 words
The molding as claimed in claim 6, wherein the film is heat-set.
Claim 16
Dependent Claim
17 words
The molding as claimed in claim 6, wherein the film additionally contains inorganic or organic inert particles.
Claim 17
Dependent Claim
17 words
The molding as claimed in claim 6, wherein the film is from 0.5 to 500 μm thick.
Claim 18
Dependent Claim
24 words
The molding as claimed in claim 6, wherein the film is coated on one side or on both sides with a solution or dispersion.
Claim 19
Dependent Claim
35 words
A molding as claimed in claim 6, wherein said film is a substrate film for a magnetic recording medium, a reprographic film, an electrical film, a blocking foil, a packaging film, or a release film.
References Cited (Backward Citations)
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| 3.5 Years (Year 4) | 2000-12-15 | 2001-06-16 | 2001-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-12-15 | 2005-06-16 | 2005-12-16 | $3760.00 | Window Closed / Lapsed |
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