公开(公告)号：US20150141610A1

公开(公告)日：2015-05-21

申请号：US14539224

申请日：2014-11-12

Applicant: NAN YA PLASTICS CORPORATION

Inventor： Dein-Run FUNG ,  Jung-Jen CHUANG ,  Yi-Cheng LI ,  Zhang-Jian HUANG

IPC: C08G65/38

CPC classification number: C08G65/38 ,  C08G65/4087 ,  C08G65/4093 ,  C08G65/44 ,  C08G65/46

Abstract: A process for producing polyphenylene ether involves to keep a combustible solvent at a gaseous concentration below the minimums of explosion, to keep oxygen gas supplied at a gaseous concentration below the limiting oxygen concentration (LOC) of the solvent, and to make use of a reactor having a rotary-sealed mixer sealed with magnetic rotary feedthroughs to prevent static electricity generated, and then to improve safety and yield thereof.

Abstract translation: 生产聚苯醚的方法涉及将可燃溶剂保持在低于爆炸最小值的气态浓度，以保持气体浓度低于溶剂的极限氧浓度（LOC）的气体，并使用反应器 具有用磁性旋转馈通器密封的旋转密封混合器，以防止产生静电，然后提高其安全性和产量。

公开(公告)号：US20180346398A1

公开(公告)日：2018-12-06

申请号：US15990871

申请日：2018-05-29

Applicant: NAN YA PLASTICS CORPORATION

Inventor： Te-Chao LIAO ,  Jung-Jen CHUANG ,  Chung-Yu CHEN ,  Chia-Ruey TSAI ,  Sung-Chieh CHAO

IPC: C07C29/20 ,  B01J23/46

Abstract: A hydrogenation method for preparing HBPA includes placing a BPA reaction liquid into a hydrogenation vessel with a hollow-shaft stirrer installed inside; starting the hollow-shaft stirrer to stir the BPA reaction liquid and simultaneously allowing hydrogen gas evenly distributed over and contact well with the BPA reaction liquid; in the presence of a single-metallic Ru/Al2O3 hydrogenation catalyst to proceed with a catalytic hydrogenation at low temperature and low pressure to produce HBPA, the HBPA has a yield of 99.7% or more, and particularly having a trans/trans isomer ratio above 63%.

公开(公告)号：US20160340546A1

公开(公告)日：2016-11-24

申请号：US15148050

申请日：2016-05-06

Applicant: NAN YA PLASTICS CORPORATION

Inventor： Te-Chao LIAO ,  Jung-Jen CHUANG ,  Hao-Sheng CHEN ,  Yi-Cheng LI ,  Zhang-Jian HUANG

IPC: C09D171/12

CPC classification number: C09D171/12 ,  C08G65/46 ,  C08G65/485 ,  C08L71/12

Abstract: A process for preparing PPE microspore dispersion includes steps of: dissolving a high-molecular polyphenylene ether in a first solvent at 45-110° C. to form a dissolution liquid; adding processing aids and well mixing the dissolution liquid into a dispersed phase; cooling the dissolution liquid to 42-80° C., and adding a second solvent to generate PPE microspores via PPE to wrap around the processing aids; cooling the dissolution liquid to 0-40° C. to obtain PPE microspore dispersions for use in application for impregnation processes performed below 40° C., thereby high-temperature impregnation equipment are no longer needed, and copper clad laminates made of using the PPE microspore dispersion enjoy excellent physical properties including high Tg, low Dk, low Df and high copper foil's peel strength.

Abstract translation: 制备PPE小球分散体的方法包括以下步骤：在45-110℃下将高分子量聚苯醚溶解在第一溶剂中以形成溶解液; 加入加工助剂并将溶解液充分混合成分散相; 将溶解液冷却至42-80℃，并加入第二溶剂以通过PPE生成PPE小孢子以包裹加工助剂; 将溶解液冷却至0-40℃，得到用于40℃以下进行浸渍处理的PPE小分散体，由此不再需要高温浸渍设备，使用PPE制成的覆铜层压板 小分散体具有高Tg，低Dk，低Df和高铜箔剥离强度等优良的物理性能。

公开(公告)号：US20230130708A1

公开(公告)日：2023-04-27

申请号：US17874262

申请日：2022-07-26

Applicant: NAN YA PLASTICS CORPORATION

Inventor： Te-Chao LIAO ,  Jung-Jen CHUANG ,  Tzu-Huan WONG

IPC: C08J11/08

Abstract: A treatment method of waste fabric containing polyester fiber and elastic fiber is provided. The method includes the steps of using at least one polar solvent to perform at least a two-stage separation treatment on the waste fabric and recycling the waste fabric after the treatment. The at least one polar solvent is selected from the group consisting of dimethylformamide (DMF), dimethylacetamide (DMAC), N-methylpyrrolidone (NMP), gamma-butyrolactone (GBL), and dimethylsulfoxide (DMSO).

公开(公告)号：US20170152215A1

公开(公告)日：2017-06-01

申请号：US15355103

申请日：2016-11-18

Applicant: NAN YA PLASTICS CORPORATION

Inventor： Te-Chao LIAO ,  Jung-Jen CHUANG ,  Zhi-Ming HUANG ,  Shun-Chi CHEN ,  Tzu-Chiang LIN

IPC: C07C253/18

CPC classification number: C07C253/18 ,  C07C253/30 ,  C07C255/24

Abstract: A method for preparing N,N′-bis(2-cyanoethyl-1,2-ethylenediamine involves using glycol ether as a catalyst for synthesis reaction in which ethylenediamine and acrylonitrile at a molar ratio of 1:1.9-2.1 are reactant that react at 20-70°C to prepare N,N′-bis(2-cyanoethyl)-1,2-ethylenediamine; the method improves the yield to 98.15-98.98%; and the used glycol ether may be filtered and recycled, thereby saving costs and reducing environmental pollution.

公开(公告)号：US20180327290A1

公开(公告)日：2018-11-15

申请号：US15970004

申请日：2018-05-03

Applicant: NAN YA PLASTICS CORPORATION

Inventor： Te-Chao LIAO ,  Jung-Jen CHUANG ,  Chiou-Nan LAI ,  Zhang-Jian HUANG ,  Yi-Cheng LI

IPC: C02F1/66 ,  C02F1/26 ,  C02F1/04

CPC classification number: C02F1/66 ,  C02F1/04 ,  C02F1/26 ,  C02F2103/365 ,  C02F2209/06 ,  C02F2209/08

Abstract: A method is disclosed for use in reducing chemical oxygen demand (COD) of alkaline wastewater generated from an aldol condensation reaction during a process for preparing 2-ethylhexanol, which teaches both high-boiling-point aldol mixtures and low-boiling-point aldol mixtures are used to serve as an extractant for reducing COD in the wastewater, and further to perform a stripping treatment, thereby a removal rate of COD in the wastewater of 89-93% is then achieved.

公开(公告)号：US20180057438A1

公开(公告)日：2018-03-01

申请号：US15687608

申请日：2017-08-28

Applicant: NAN YA PLASTICS CORPORATION

Inventor： Te-Chao LIAO ,  Jung-Jen CHUANG ,  Chung-Yu CHEN ,  Chia-Ruey TSAI ,  Sung-Chieh CHAO

IPC: C07C45/62 ,  C07C45/79 ,  B01J23/44 ,  B01J21/18 ,  B01J35/00 ,  B01J35/02

CPC classification number: C07C45/62 ,  B01J21/18 ,  B01J23/44 ,  B01J35/0006 ,  B01J35/026 ,  B01J35/1023 ,  B01J35/1028 ,  C07C45/79 ,  C07C47/02

Abstract: A process for producing 2-ethylhexanal involves performing reaction using a reaction tank equipped with a gas-introducing mixer having extracting, exhausting, and stirring functions in the presence of a palladium on carbon catalyst having a carbon carrier with lower impurity content and higher specific surface area for hydrogenation, and introducing hydrogen gas evenly into reaction liquid; resulted in that the process minimizes operational pressure for hydrogenation and increases a yield of 2-ethylhexanal at least up to 98.0%.

公开(公告)号：US20170152216A1

公开(公告)日：2017-06-01

申请号：US15355108

申请日：2016-11-18

Applicant: NAN YA PLASTICS CORPORATION

Inventor： Te-Chao LIAO ,  Jung-Jen CHUANG ,  Zhi-Ming HUANG ,  Shun-Chi CHEN ,  Tzu-Chiang LIN

IPC: C07C253/18

CPC classification number: C07C253/18 ,  C07C253/30 ,  C07C255/24

Abstract: A method for preparing N,N′-bis(2-cyanoethyl)-1,2-ethylenediamine involves using strongly acidic cation exchange resin as a catalyst for synthesis, and is advantageous for not only eliminating the need of distillation for purification and thereby reducing reaction time, but also improving the yield of N,N′-bis(2-cyanoethyl)-1,2-ethylenediamine to 97.70-98.08%; and the method benefits simplified process and reduced costs and helps to save water significantly, thereby minimizing environmental pollution.

公开(公告)号：US20220242813A1

公开(公告)日：2022-08-04

申请号：US17398003

申请日：2021-08-10

Applicant: NAN YA PLASTICS CORPORATION

Inventor： Te-Chao LIAO ,  Jung-Jen CHUANG ,  Chung-Yu CHEN ,  Hsun-Min LIN

IPC: C07C67/08 ,  C08K5/12

Abstract: A method for preparing a low migration plasticizer of di-2-ethylhexyl phthalate is provided. The method includes a step of adding at least one short chain alcohol component and at least one long chain alcohol component in an esterification reaction between terephthalic acid and 2-ethylhexanol, so as to graft modify a resulting di-2-ethylhexyl phthalate. The esterification reaction is carried out under a temperature from 30° C. to 225° C. and a pressure from 80 mbar to 1033 mbar.

公开(公告)号：US20180362440A1

公开(公告)日：2018-12-20

申请号：US16008164

申请日：2018-06-14

Applicant: NAN YA PLASTICS CORPORATION

Inventor： Te-Chao LIAO ,  Jung-Jen CHUANG ,  Hsun-Min LIN

IPC: C07C67/08 ,  C07C69/82

CPC classification number: C07C67/08 ,  C07C69/82

Abstract: A method for enhancing reaction efficiency of a terephthalate plasticizer involves using a homogenizer to fine PTA to slurry having a particle size of 80-110 μm, and esterifying the PTA slurry with a C6-C10 alcohol in the presence of a titanium-based catalyst. The reactivity is enhanced by more than 37.5%, and the terephthalate plasticizer so synthetized is low-odor and has a purity of more than 99.5% as well as good physical properties such as acid value, color, and index of refraction.