公开(公告)号：US20150252134A1

公开(公告)日：2015-09-10

申请号：US14663648

申请日：2015-03-20

Applicant: FINA TECHNOLOGY, INC.

Inventor： John Tomlinson ,  Jose Sosa

IPC: C08F279/02 ,  C08L51/04

CPC classification number: C08F279/02 ,  C08F2/00 ,  C08F2/001 ,  C08F2/38 ,  C08L51/04 ,  C08F212/08

Abstract: A process for producing a high impact polystyrene having a high swell index may include feeding at least one vinyl aromatic monomer and at least one elastomer to at least one polymerization reactor to form a reaction mixture. The process may include polymerizing the reaction mixture, combining a chain transfer agent to the reaction mixture leaving the at least one polymerization reactor to form a combined mixture, and sending the combined mixture to a devolatilization zone. The process may include obtaining a HIPS product having a high swell index.

Abstract translation: 用于生产具有高膨胀指数的高抗冲聚苯乙烯的方法可包括将至少一种乙烯基芳族单体和至少一种弹性体进料至至少一个聚合反应器以形成反应混合物。 该方法可以包括使反应混合物聚合，将链转移剂与反应混合物结合，离开至少一个聚合反应器以形成混合的混合物，并将合并的混合物送至脱挥发分区。 该方法可以包括获得具有高溶胀指数的HIPS产品。

公开(公告)号：US09963535B2

公开(公告)日：2018-05-08

申请号：US14663648

申请日：2015-03-20

Applicant: FINA TECHNOLOGY, INC.

Inventor： John Tomlinson ,  Jose Sosa

IPC: C08F279/02 ,  C08L51/04 ,  C08F2/00 ,  C08F2/38

CPC classification number: C08F279/02 ,  C08F2/00 ,  C08F2/001 ,  C08F2/38 ,  C08L51/04 ,  C08F212/08

Abstract: A process for producing a high impact polystyrene having a high swell index may include feeding at least one vinyl aromatic monomer and at least one elastomer to at least one polymerization reactor to form a reaction mixture. The process may include polymerizing the reaction mixture, combining a chain transfer agent to the reaction mixture leaving the at least one polymerization reactor to form a combined mixture, and sending the combined mixture to a devolatilization zone. The process may include obtaining a HIPS product having a high swell index.

公开(公告)号：US10058794B2

公开(公告)日：2018-08-28

申请号：US15085464

申请日：2016-03-30

Applicant: FINA TECHNOLOGY, INC.

Inventor： John Tomlinson ,  Jose Sosa ,  Carlos R. Corleto ,  Roy Kennedy

IPC: B01D1/00 ,  B01D1/04 ,  C08F6/00 ,  B01D1/06 ,  B01D1/22 ,  C08F112/08

CPC classification number: B01D1/007 ,  B01D1/04 ,  B01D1/06 ,  B01D1/18 ,  B01D1/22 ,  B01D3/008 ,  B01J4/002 ,  C08F6/005 ,  C08L25/06

Abstract: A vessel header includes lateral flow tubes arranged in a parallel configuration. The lateral flow tubes enter the vessel header through alternating vessel header penetrations with a single vessel header penetration per lateral flow tube. Each lateral flow tube has a perforated section within the vessel header having a non-circular cross-section having the shape of a circular sector, an elliptical sector, or an irregular quadrilateral. A method includes passing a molten polymer through the lateral flow tubes of the vessel header. The molten polymer exits the lateral flow tubes as strands through perforations in the lateral flow tubes within the vessel header. The method includes obtaining devolatilized polymer.