BRPI0409004A - process for treating rpet flakes - Google Patents

process for treating rpet flakes

Info

Publication number
BRPI0409004A
BRPI0409004A BRPI0409004-7A BRPI0409004A BRPI0409004A BR PI0409004 A BRPI0409004 A BR PI0409004A BR PI0409004 A BRPI0409004 A BR PI0409004A BR PI0409004 A BRPI0409004 A BR PI0409004A
Authority
BR
Brazil
Prior art keywords
rpet
particles
treating
flakes
low energy
Prior art date
Application number
BRPI0409004-7A
Other languages
Portuguese (pt)
Inventor
Donald W Hayward
Daniel L Witham
Original Assignee
Phoenix Technologies Int
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
Application filed by Phoenix Technologies Int filed Critical Phoenix Technologies Int
Priority claimed from PCT/US2004/007955 external-priority patent/WO2004094125A2/en
Publication of BRPI0409004A publication Critical patent/BRPI0409004A/en

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Abstract

"PROCESSO PARA TRATAMENTO DE FLOCOS DE RPET". Trata-se de um processo para tratamento de flocos de RPET que compreende a provisão de uma quantidade de flocos de RPET para preparação de partículas de RPET com um tamanho médio de partícula inferior a cerca de 300 mícrons, e tratamento das partículas de RPET mediante utilização de um processo de baixo requisito energético selecionado do grupo que consiste em uma operação simultânea de fusão e mistura das partículas de RPET mediante utilização de um dispositivo de fusão de baixo requisito energético para preparação de um produto fundido de RPET, e tratamento térmico das partículas de RPET para propósitos de secagem ou cristalização das partículas de RPET."RPET FLAKE TREATMENT PROCESS". It is a process for treating RPET flakes comprising providing an amount of RPET flakes for preparing RPET particles with an average particle size of less than about 300 microns, and treating RPET particles by use. A low energy requirement process selected from the group consisting of a simultaneous melting and mixing operation of the RPET particles using a low energy requirement melting device for the preparation of an RPET melt and heat treatment of the RPET particles. RPET for the purposes of drying or crystallization of RPET particles.

BRPI0409004-7A 2004-03-12 2004-03-12 process for treating rpet flakes BRPI0409004A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2004/007955 WO2004094125A2 (en) 2003-04-02 2004-03-12 Improved method for treating recycled polyethylene terephthalate

Publications (1)

Publication Number Publication Date
BRPI0409004A true BRPI0409004A (en) 2006-03-28

Family

ID=36096579

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0409004-7A BRPI0409004A (en) 2004-03-12 2004-03-12 process for treating rpet flakes

Country Status (1)

Country Link
BR (1) BRPI0409004A (en)

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE AS 5A, 6A, 7A E 8A ANUIDADES.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2159 DE 22/05/2012.