IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0480231
(2002-06-06)
|
우선권정보 |
DE-0029231 (2001-06-19) |
국제출원번호 |
PCT//EP02/06193
(2003-12-10)
|
§371/§102 date |
20031210
(20031210)
|
국제공개번호 |
WO02//10289
(2002-12-27)
|
발명자
/ 주소 |
- Dames, Burkhardt
- Sauerer, Wolfgang
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
1 인용 특허 :
2 |
초록
▼
Thermoplastic molding compositions comprising, as substantive componentsA) from 29% by weight to 99% by weight of at least one thermoplastic polymer,B) from 1 ppb to 5% by weight of at least one polyethyleneimine homo- or copolymer,C) from 0.05 to 2% by weight of at least one sterically hindered ami
Thermoplastic molding compositions comprising, as substantive componentsA) from 29% by weight to 99% by weight of at least one thermoplastic polymer,B) from 1 ppb to 5% by weight of at least one polyethyleneimine homo- or copolymer,C) from 0.05 to 2% by weight of at least one sterically hindered amine compound,and alsoD) from 0 to 70% by weight of other additives,where the percentages by weight of components A) to D) always give 100%.
대표청구항
▼
1. A thermoplastic molding composition comprising, as substantive components,A) from 29% by weight to 99% by weight of at least one thermoplastic homo- or copolyoxymethylene, or a mixture of these, B) from 1 ppb to 5% by weight of at least one polyethyleneimine homo- or copolymer, C) from 0.05 to 2%
1. A thermoplastic molding composition comprising, as substantive components,A) from 29% by weight to 99% by weight of at least one thermoplastic homo- or copolyoxymethylene, or a mixture of these, B) from 1 ppb to 5% by weight of at least one polyethyleneimine homo- or copolymer, C) from 0.05 to 2% by weight of at least one sterically hindered amine compound, and alsoD) from 0 to 70% by weight of other additives, where the percentages by weight of components A) to D) always give 100%.2. A thermoplastic molding composition as claimed in claim 1, where the polyethyteneimine polymers have been selected from the group consisting ofhomopolymers of ethyleneimine, copolymers of ethyleneimine and amines having at least two amino groups, crosslinked polyethyleneimines, grafted polyethyleneimines, amidated polymers obtainable by reacting polyethyleneimines with carboxylic acids or with carboxylic esters, with carboxylic anhydrides, with carboxamides, or with carbonyl halides, alkoxylated polyethyleneimines, polyethyleneimines containing hydroxyl groups, amphoteric polyethyleneimines, and lipophilic polyethyleneimines. 3. A thermoplastic molding composition as claimed in claim 1, where the proportion of the polyethyleneimine polymers B) is from 1 ppm to 0.1% by weight.4. A thermoplastic molding composition as claimed in claim 1, comprising, as component C), at least one compound of the formula where n is greater than 3,or a mixture of these.5. A process for increasing thermal stability and/or diesel-fuel resistance, which comprises adding from 1 ppb to 5% by weight of a polyethyleneimine homo- or copolymer B) and from 0.05 to 2% by weight of at least one sterically hindered amine compound to a polyoxymethylene homo- or copolymer A).6. A molding, a film, a fiber, or a foam obtainable from the thermoplastic molding compositions as claimed in claim 1.7. A diesel-fuel-resistant and/or heat-resistant polyoxymethylene homo- or copolymer molding obtained by the process as claimed in claim 5.8. A diesel-fuel-resistant and/or heat-resistant polyoxymethylene homo- or copolymer molding comprising the thermoplastic molding composition of claim 1.
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