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公开(公告)号：US10391468B2
公开(公告)日：2019-08-27
申请号：US14689211
申请日：2015-04-17
Applicant: RELIANCE INDUSTRIES LIMITED
Inventor： Rakshvir Jasra , Ninad Deepak Ingle , Pradeep Paresh Kapadia , Pradip Munshi
Abstract: The present disclosure relates to a process for the halogenation of hydrocarbon. In accordance with the process of the present disclosure a hydrocarbon and a halogen is introduced in a reaction vessel. Light having wavelength in the range of 390 to 780 nm is then passed into the reaction vessel for a time period of 2 to 12 hrs. to obtain a halogenated hydrocarbon. The hydrocarbon is agitated before or after the introduction of the halogen in to the reaction vessel.
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公开(公告)号：US10081687B2
公开(公告)日：2018-09-25
申请号：US15221038
申请日：2016-07-27
Applicant: RELIANCE INDUSTRIES LIMITED
Inventor： Pradip Munshi , Ninad Deepak Ingle , Pradeep Paresh Kapadia , Raksh Vir Jasra
CPC classification number: C08F8/22 , B01J19/0013 , B01J19/12 , B01J19/123 , B01J19/127 , B01J2219/00051 , C08F114/06
Abstract: The present disclosure relates to a process for chlorination of a polymer. The process of the present disclosure includes minimum use of light and maximum chlorine utilization for getting maximum chlorination yield. The chlorinated polymer obtained by the process of the present disclosure exhibit improved properties viz. thermal stability, color, inherent viscosity and mechanical properties.
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公开(公告)号：US20170051081A1
公开(公告)日：2017-02-23
申请号：US15308568
申请日：2015-04-24
Applicant: Reliance Industries Limited
Inventor： Pradip Munshi , Ninad Ingle , Pradeep Paresh Kapadia , Raksh Vir Jasra
Abstract: An apparatus for halogenation of a polymer is disclosed. The apparatus includes a reactor, at least one light source, a stirrer and a heater. The reactor contains a slurry of the polymer. The light source is disposed outside of the reactor at a distance ranging from 0.5 centimeter to 2 centimeters for facilitating irradiance of the slurry. The light source radiates a light of wavelength in the range of 250 nm to 355 nm. The stirrer is adapted to agitate the slurry. The heater is adapted to heat the slurry of the polymer. The blades on the stirrer and light source are arranged in such a way that slurry is maintained in uniform motion and reacted homogeneously to achieve desired conversion efficiently.
Abstract translation: 公开了一种用于卤化聚合物的设备。 该装置包括反应器，至少一个光源，搅拌器和加热器。 反应器含有聚合物的浆料。 将光源设置在反应器的外部，距离范围为0.5厘米到2厘米，以便于浆料的辐照度。 光源辐射波长在250nm至355nm范围内的光。 搅拌器适于搅拌浆料。 加热器适于加热聚合物的浆料。 搅拌器和光源上的叶片布置成使得浆料保持均匀运动并均匀反应以有效地实现期望的转化。
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Patent Agency Ranking
公开(公告)号：US20160244541A1
公开(公告)日：2016-08-25
申请号：US15029957
申请日：2014-10-16
Applicant: RELIANCE INDUSTRIES LIMITED
Inventor： Raksh Vir Jasra , Ninad Deepak Ingle , Pradeep Paresh Kapadia , Pradip Munshi
IPC: C08F136/08 , B01J19/12
CPC classification number: C08F136/08 , B01J19/127 , B01J2219/0869 , B01J2219/1203 , C08F2/48 , C08F120/06 , C08F2/50 , C08F4/34
Abstract: The present disclosure relates to a process for polymerization of hydrocarbons. In accordance with the process of the present disclosure, a hydrocarbon and a photo-initiator is introduced in a reaction vessel and then agitated for a predetermined time period. In the next step, the reaction vessel containing the agitating hydrocarbon and the photo-initiator is irradiated with visible light to obtain a polymerized hydrocarbon. The process of present disclosure is carried out in an atmosphere containing oxygen less than 0.65% in the reaction vessel.
Abstract translation: 本公开涉及烃的聚合方法。 根据本公开的方法，将烃和光引发剂引入反应容器中，然后搅拌预定时间。 在下一步骤中，用可见光照射含有搅拌烃和光引发剂的反应容器，得到聚合烃。 本公开的方法在反应容器中含氧量小于0.65％的气氛中进行。
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公开(公告)号：US10370463B2
公开(公告)日：2019-08-06
申请号：US15326796
申请日：2015-07-21
Applicant: RELIANCE INDUSTRIES LIMITED
Inventor： Pradip Munshi , Ajit Behari Mathur , Ninad Deepak Ingle , Pradeep Paresh Kapadia , Raksh Vir Jasra
IPC: C08F8/22
Abstract: The present disclosure provides a process for the chlorination of polyvinyl chloride. PVC obtained during the suspension polymerization reaction is directly used for chlorination without filtration, drying and re-slurrying. The present process is carried out in the absence of additional chemicals/reagents; also reheating during the chlorination reaction is not required. CPVC manufactured using the process of the present disclosure has whiteness index greater than 85, yellowness index lower than 4 and thermal stability in the range of 300 to 550 seconds at 210° C.
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公开(公告)号：US10047177B2
公开(公告)日：2018-08-14
申请号：US14907108
申请日：2014-07-24
Applicant: RELIANCE INDUSTRIES LIMITED
Inventor： Pradip Munshi , Ninad Deepak Ingle , Pradeep Paresh Kapadia , Vijay Shivaji Kadam , Ajit Behari Mathur , Raksh Vir Jasra
IPC: C08F114/06 , C08F8/22 , C08F8/20
Abstract: The present disclosure provides a process for the reduction of residual acidity of halogenated polymer. The process involves treating the halogenated polymer to a physical process such as rotary vacuum drying and then neutralizing the treated halogenated polymer with alkaline metal salt solutions. The process requires less quantity of an economic neutralizing agent/base during chemical treatment, thus improving process economy without prejudicing quality of the final halogenated polymer.
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公开(公告)号：US10035865B2
公开(公告)日：2018-07-31
申请号：US15326810
申请日：2015-07-21
Applicant: RELIANCE INDUSTRIES LIMITED
Inventor： Pradip Munshi , Jayesh Prafullachandra Vora , Ninad Deepak Ingle , Pradeep Paresh Kapadia , Raksh Vir Jasra , Shashikant Rajan
CPC classification number: C08F8/22 , C08J3/28 , C08J7/126 , C08J2327/06 , C08F114/06
Abstract: The present disclosure relates to a process for the preparation of CPVC which includes reacting PVC with chlorine at a pre-determined temperature in the presence of at least one irradiation source having wavelength ranging from 254 and 530 nm while maintaining the radiant flux from 1.5 to 2 W/kg of PVC, irradiance at 0.13 W/cm2 and the number of photons emitted per second from 3×1018 to 5×1018, under agitation, for a time period ranging from 3 to 4 hours to obtain CPVC. The CPVC prepared from the afore-stated process has a whiteness index ranging from 89 to 96, a yellowness index ranging from 1.23 to 1.73 and stability ranging from 648 to 684 seconds. The rate of the chlorination reaction after employing the afore-stated process parameters ranges from 1.6 to 4.36 mole/hour/kg.
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公开(公告)号：US09969825B2
公开(公告)日：2018-05-15
申请号：US15029957
申请日：2014-10-16
Applicant: Reliance Industries Limited
Inventor： Raksh Vir Jasra , Ninad Deepak Ingle , Pradeep Paresh Kapadia , Pradip Munshi
IPC: C08F136/08 , C08F2/48 , C08F120/06 , B01J19/12
CPC classification number: C08F136/08 , B01J19/127 , B01J2219/0869 , B01J2219/1203 , C08F2/48 , C08F120/06 , C08F2/50 , C08F4/34
Abstract: The present disclosure relates to a process for polymerization of hydrocarbons. In accordance with the process of the present disclosure, a hydrocarbon and a photo-initiator is introduced in a reaction vessel and then agitated for a predetermined time period. In the next step, the reaction vessel containing the agitating hydrocarbon and the photo-initiator is irradiated with visible light to obtain a polymerized hydrocarbon. The process of present disclosure is carried out in an atmosphere containing oxygen less than 0.65% in the reaction vessel.
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