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RU2001120369A - METHOD FOR PRODUCING POLYAMIDS - Google Patents

METHOD FOR PRODUCING POLYAMIDS

Info

Publication number
RU2001120369A
RU2001120369A RU2001120369/04A RU2001120369A RU2001120369A RU 2001120369 A RU2001120369 A RU 2001120369A RU 2001120369/04 A RU2001120369/04 A RU 2001120369/04A RU 2001120369 A RU2001120369 A RU 2001120369A RU 2001120369 A RU2001120369 A RU 2001120369A
Authority
RU
Russia
Prior art keywords
paragraphs
polyamide
titanium dioxide
particles
diameter
Prior art date
Application number
RU2001120369/04A
Other languages
Russian (ru)
Other versions
RU2243241C2 (en
Inventor
Доминик КАЙЗЕР
Жан-Франсуа ТЬЕРРИ
Жоэль ВАРЛЕ
Original Assignee
Родианил
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from FR9816588A external-priority patent/FR2787797B1/en
Application filed by Родианил filed Critical Родианил
Publication of RU2001120369A publication Critical patent/RU2001120369A/en
Application granted granted Critical
Publication of RU2243241C2 publication Critical patent/RU2243241C2/en

Links

Claims (16)

1. Способ получения полиамидов, отличающийся тем, что полимеризацию катализируют с помощью твердых частиц на основе диоксида титана диаметром менее 100 нм.1. The method of producing polyamides, characterized in that the polymerization is catalyzed using solid particles based on titanium dioxide with a diameter of less than 100 nm. 2. Способ по п. 1, отличающийся тем, что частицы диоксида титана диаметром менее 100 нм, по меньшей мере, частично покрыты другим соединением. 2. The method according to p. 1, characterized in that the particles of titanium dioxide with a diameter of less than 100 nm, at least partially coated with another compound. 3. Способ по п. 2, отличающийся тем, что частицы диоксида титана диаметром менее 100 нм, по меньшей мере, частично покрыты соединением на основе диоксида кремния. 3. The method according to p. 2, characterized in that the particles of titanium dioxide with a diameter of less than 100 nm, at least partially coated with a compound based on silicon dioxide. 4. Способ по любому из пп. 1-3, отличающийся тем, что концентрация катализатора выше 100 ч/млн. 4. The method according to any one of paragraphs. 1-3, characterized in that the concentration of the catalyst is above 100 ppm. 5. Способ по любому из пп. 1-4, отличающийся тем, что полиамид содержит матирующий агент. 5. The method according to any one of paragraphs. 1-4, characterized in that the polyamide contains a matting agent. 6. Способ по п. 5, отличающийся тем, что матирующий агент содержит диоксид титана в виде частиц диаметром выше 1 мкм. 6. The method according to p. 5, characterized in that the matting agent contains titanium dioxide in the form of particles with a diameter above 1 μm. 7. Способ по п. 6, отличающийся тем, что частицы диоксида титана диаметром выше 1 мкм, по меньшей мере, частично покрыты соединением на основе диоксида кремния и/или оксида алюминия. 7. The method according to p. 6, characterized in that the particles of titanium dioxide with a diameter above 1 μm, at least partially coated with a compound based on silicon dioxide and / or alumina. 8. Способ по любому из пп. 5-7, отличающийся тем, что матирующий агент присутствует в полимере в количестве выше 0,5 мас. %. 8. The method according to any one of paragraphs. 5-7, characterized in that the matting agent is present in the polymer in an amount above 0.5 wt. % 9. Способ по любому из пп. 1-8, отличающийся тем, что полиамид представляет собой продукт полимеризации лактама или аминокислоты. 9. The method according to any one of paragraphs. 1-8, characterized in that the polyamide is a product of the polymerization of lactam or amino acids. 10. Способ по п. 9, отличающийся тем, что лактамом является капролактам. 10. The method according to p. 9, characterized in that the lactam is caprolactam. 11. Способ по любому из пп. 1-8, отличающийся тем, что полиамид представляет собой продукт конденсации дикарбоновых кислот и диаминов, используемых в качестве мономеров. 11. The method according to any one of paragraphs. 1-8, characterized in that the polyamide is a condensation product of dicarboxylic acids and diamines used as monomers. 12. Способ по п. 11, отличающийся тем, что полиамид в большинстве случаев образован продуктом реакции конденсации адипиновой кислоты и гексаметилендиамина. 12. The method according to p. 11, characterized in that the polyamide in most cases is formed by the product of the condensation reaction of adipic acid and hexamethylenediamine. 13. Способ по любому из пп. 11 и 12, отличающийся тем, что катализатор вводят в смесь диаммониевой соли дикарбоновой кислоты и воды. 13. The method according to any one of paragraphs. 11 and 12, characterized in that the catalyst is introduced into the mixture of the diammonium salt of dicarboxylic acid and water. 14. Способ по п. 13, отличающийся тем, что катализатор вводят в концентрированной форме в жидкую среду. 14. The method according to p. 13, characterized in that the catalyst is introduced in concentrated form into a liquid medium. 15. Способ по п. 14, отличающийся тем, что жидкой средой является вода. 15. The method according to p. 14, characterized in that the liquid medium is water. 16. Способ по п. 14, отличающийся тем, что жидкой средой является композиция расплавленного полиамида. 16. The method according to p. 14, characterized in that the liquid medium is a composition of molten polyamide.
RU2001120369/04A 1998-12-23 1999-12-21 Polyamide production process RU2243241C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9816588A FR2787797B1 (en) 1998-12-23 1998-12-23 PROCESS FOR PRODUCING POLYAMIDE
FR98/16588 1998-12-23

Publications (2)

Publication Number Publication Date
RU2001120369A true RU2001120369A (en) 2003-04-20
RU2243241C2 RU2243241C2 (en) 2004-12-27

Family

ID=9534632

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2001120369/04A RU2243241C2 (en) 1998-12-23 1999-12-21 Polyamide production process

Country Status (18)

Country Link
US (1) US6593448B2 (en)
EP (1) EP1144481B1 (en)
KR (1) KR100576588B1 (en)
CN (1) CN1315911C (en)
AT (1) ATE342932T1 (en)
AU (1) AU1784800A (en)
BR (1) BR9917081B1 (en)
CA (1) CA2356375A1 (en)
DE (1) DE69933698T2 (en)
ES (1) ES2270625T3 (en)
FR (1) FR2787797B1 (en)
MX (1) MX233714B (en)
PL (1) PL352320A1 (en)
PT (1) PT1144481E (en)
RU (1) RU2243241C2 (en)
SK (1) SK9122001A3 (en)
TW (1) TWI237040B (en)
WO (1) WO2000039193A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101582132B1 (en) * 2010-12-28 2016-01-04 상하이 지니어스 어드밴스트 머티리얼 코퍼레이션, 리미티드. Nano particle/polyamide composite material, preparation method therefor, and use thereof

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE280766C (en)
GB1084324A (en) * 1965-06-23
DE2554788C2 (en) * 1975-12-05 1982-06-16 Aleksandr V. Moskva Beresovskij Process for the production of polyamides
US4124468A (en) * 1975-12-08 1978-11-07 Serenkov Vasily I Process for the production of polyamides
DD280766A1 (en) * 1984-12-12 1990-07-18 Guben Chemiefaserwerk PROCESS FOR PREPARING HIGHLY VISCOSIVE POLYAMIDE
US4912175A (en) 1988-08-01 1990-03-27 E. I. Du Pont De Nemours And Company Process for in creasing polyamide molecular weight with P containing catalyst
US5142000A (en) * 1991-08-28 1992-08-25 E. I. Du Pont De Nemours And Company Process for increasing polyamide molecular weight with organophosphonic acid or ester catalysts in the presence of alumina-containing titanium dioxide
FR2744914B1 (en) * 1996-02-15 1998-03-20 Rhone Poulenc Chimie TITANIUM DIOXIDE DISPERSION, TITANIUM DIOXIDE POWDER, THEIR USE IN COSMETIC FORMULATIONS
DE19811790A1 (en) * 1998-03-18 1999-09-23 Bayer Ag Transparent paint binders containing nanoparticles with improved scratch resistance, a process for their preparation and their use

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