MX2017010406A - Sistemas y procesos para la produccion de polimeros. - Google Patents

Sistemas y procesos para la produccion de polimeros.

Info

Publication number
MX2017010406A
MX2017010406A MX2017010406A MX2017010406A MX2017010406A MX 2017010406 A MX2017010406 A MX 2017010406A MX 2017010406 A MX2017010406 A MX 2017010406A MX 2017010406 A MX2017010406 A MX 2017010406A MX 2017010406 A MX2017010406 A MX 2017010406A
Authority
MX
Mexico
Prior art keywords
systems
processes
polymer production
polypropiolactone
formula
Prior art date
Application number
MX2017010406A
Other languages
English (en)
Inventor
Sherry Kyle
J Farmer Jay
GALEBACH Peter
H Sookraj Sadesh
Original Assignee
Novomer Inc
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 Novomer Inc filed Critical Novomer Inc
Publication of MX2017010406A publication Critical patent/MX2017010406A/es

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
    • C08G63/06—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxycarboxylic acids
    • C08G63/08—Lactones or lactides
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/09—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid esters or lactones
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C57/00—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms
    • C07C57/02—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms with only carbon-to-carbon double bonds as unsaturation
    • C07C57/03—Monocarboxylic acids
    • C07C57/04—Acrylic acid; Methacrylic acid
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F120/00—Homopolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
    • C08F120/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F120/04—Acids; Metal salts or ammonium salts thereof
    • C08F120/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F4/00—Polymerisation catalysts
    • C08F4/28—Oxygen or compounds releasing free oxygen
    • C08F4/30—Inorganic compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
    • C08G63/06—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxycarboxylic acids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2650/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G2650/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule characterized by the type of post-polymerisation functionalisation
    • C08G2650/04—End-capping

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Polyethers (AREA)
  • Cosmetics (AREA)

Abstract

La presente invención se refiere a composiciones, sistemas y métodos relacionados con una composición de polipropiolactona que comprende polímeros de polipropiolactona. Tales polímeros incluyen cadenas de polipropiolactona de la Fórmula (I): [Aquí se debe insertar una fórmula], en donde n es un número entero de 10 a aproximadamente 1,000 y Y es un átomo de H o un catión.
MX2017010406A 2015-02-13 2016-02-12 Sistemas y procesos para la produccion de polimeros. MX2017010406A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201562116238P 2015-02-13 2015-02-13
PCT/US2016/017797 WO2016130947A1 (en) 2015-02-13 2016-02-12 Systems and processes for polymer production

Publications (1)

Publication Number Publication Date
MX2017010406A true MX2017010406A (es) 2018-02-23

Family

ID=56614873

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2017010406A MX2017010406A (es) 2015-02-13 2016-02-12 Sistemas y procesos para la produccion de polimeros.

Country Status (12)

Country Link
US (2) US10683390B2 (es)
EP (1) EP3257009B1 (es)
JP (2) JP6921749B2 (es)
KR (1) KR20170129738A (es)
CN (1) CN107430734B (es)
AU (1) AU2016219129A1 (es)
CA (1) CA2976456A1 (es)
HK (2) HK1245471A1 (es)
MA (1) MA41507A (es)
MX (1) MX2017010406A (es)
SA (2) SA517382086B1 (es)
WO (1) WO2016130947A1 (es)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014527456A (ja) 2011-05-13 2014-10-16 ノボマー， インコーポレイテッド 触媒的カルボニル化用触媒および方法
EP3375769B1 (en) 2011-10-26 2022-03-09 Novomer, Inc. Process for the preparation of acrylates from epoxides
EP3077091A4 (en) 2013-12-07 2017-12-20 Novomer, Inc. Nanofiltration membranes and methods of use
US10858329B2 (en) 2014-05-05 2020-12-08 Novomer, Inc. Catalyst recycle methods
SG11201610058QA (en) 2014-05-30 2016-12-29 Novomer Inc Integrated methods for chemical synthesis
AU2015292361B2 (en) 2014-07-25 2019-07-18 Novomer, Inc. Synthesis of metal complexes and uses thereof
MX2017010405A (es) 2015-02-13 2018-02-23 Novomer Inc Proceso y sistema para producir polipropiolactona.
MA41508A (fr) 2015-02-13 2017-12-19 Novomer Inc Systèmes et procédés de production d'acide polyacrylique
MA41507A (fr) 2015-02-13 2017-12-19 Novomer Inc Systèmes et procédés de production de polymères
MA41514A (fr) 2015-02-13 2017-12-19 Novomer Inc Procédés intégrés de synthèse chimique
MA41510A (fr) 2015-02-13 2017-12-19 Novomer Inc Procédé de production d'acide acrylique
AU2016219077A1 (en) 2015-02-13 2017-08-24 Novomer, Inc. Flexible chemical production platform
EP3256441B1 (en) 2015-02-13 2020-04-08 Novomer, Inc. Continuous carbonylation processes
MA41513A (fr) 2015-02-13 2017-12-19 Novomer Inc Procédé de distillation pour la production d'acide acrylique
KR20180027631A (ko) 2015-07-31 2018-03-14 노보머, 인코포레이티드 아크릴산 및 이의 전구체를 위한 제조 시스템/제조 방법
CN108884000A (zh) 2016-03-21 2018-11-23 诺沃梅尔公司 丙烯酸和其制造方法
WO2017165345A1 (en) 2016-03-21 2017-09-28 Novomer, Inc. Systems and methods for producing superabsorbent polymers
MX2019005098A (es) 2016-11-02 2019-08-12 Novomer Inc Polimeros absorbentes, metodos y sistemas para producir y usar los mismos.
US20200061578A1 (en) * 2016-11-02 2020-02-27 Novomer, Inc. Absorbent polymers, and methods of producing thereof and uses thereof
US10144802B2 (en) 2016-12-05 2018-12-04 Novomer, Inc. Beta-propiolactone based copolymers containing biogenic carbon, methods for their production and uses thereof
US10500104B2 (en) 2016-12-06 2019-12-10 Novomer, Inc. Biodegradable sanitary articles with higher biobased content
US10065914B1 (en) 2017-04-24 2018-09-04 Novomer, Inc. Thermolysis of polypropiolactone to produce acrylic acid
US20190002385A1 (en) * 2017-06-30 2019-01-03 Novomer, Inc. Compositions for improved production of acrylic acid
US10676426B2 (en) 2017-06-30 2020-06-09 Novomer, Inc. Acrylonitrile derivatives from epoxide and carbon monoxide reagents
US10781156B2 (en) 2017-06-30 2020-09-22 Novomer, Inc. Compositions for improved production of acrylic acid
US10590099B1 (en) 2017-08-10 2020-03-17 Novomer, Inc. Processes for producing beta-lactone with heterogenous catalysts
CN111182968A (zh) 2017-10-05 2020-05-19 诺沃梅尔公司 异氰酸酯、其衍生物及它们的生产方法
US11773215B2 (en) 2018-04-06 2023-10-03 Novomer, Inc. Polypropiolactone films, and methods of producing thereof
WO2019241596A1 (en) * 2018-06-14 2019-12-19 Novomer, Inc. Stabilizing polypropiolactone by end-capping with end-capping agents
JP2021531373A (ja) 2018-07-13 2021-11-18 ノボマー， インコーポレイテッド ポリラクトン発泡体及びその製造方法
JP7368010B2 (ja) 2019-03-08 2023-10-24 ノボマー， インコーポレイテッド アミド化合物及びニトリル化合物を生成するための統合された方法及びシステム
EP3738987A1 (en) * 2019-05-13 2020-11-18 Henkel AG & Co. KGaA Radiation curable polymers
WO2022040040A1 (en) 2020-08-17 2022-02-24 Novomer, Inc. Betapropiolactone and functionalized betapropiolactone based polymer systems
KR20230170697A (ko) * 2021-04-16 2023-12-19 노보머, 인코포레이티드 폴리프로피오락톤 및 제조 방법

Family Cites Families (59)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2361036A (en) 1941-07-31 1944-10-24 Goodrich Co B F Preparation of alpha-beta unsaturated carboxylic acids
US2526554A (en) * 1947-07-28 1950-10-17 Goodrich Co B F Preparation of beta-hydroxy carboxylic acid esters by alcoholysis of linear polyesters derived from beta-lactones
FR2736912B1 (fr) 1995-07-18 1997-08-22 Atochem Elf Sa Procede de purification de l'acide acrylique obtenu par oxydation catalytique du propylene
DE19829477A1 (de) 1998-07-01 2000-01-05 Basf Ag Verfahren zur Reinigung von Acrylsäure oder Methacrylsäure durch Kristallisation und Destillation
AU2002356929A1 (en) 2001-12-06 2003-06-23 Cornell Research Foundation, Inc. Catalytic carbonylation of three and four membered heterocycles
KR20050121247A (ko) 2003-04-09 2005-12-26 쉘 인터내셔날 리써취 마트샤피지 비.브이. 에폭시드의 카보닐화
CN102421821B (zh) 2009-04-08 2014-12-10 诺沃梅尔公司 β-内酯的制造方法
US20130158230A1 (en) * 2010-06-22 2013-06-20 Cornell University Carbonylative Polymerization Methods
EP2609090A4 (en) 2010-08-28 2013-12-25 Novomer Inc AMMONIC ACID ANHYDRIDE FROM ETHYLENE OXIDE
CN103261269A (zh) 2010-10-11 2013-08-21 诺沃梅尔公司 聚合物共混物
JP2014527456A (ja) 2011-05-13 2014-10-16 ノボマー， インコーポレイテッド 触媒的カルボニル化用触媒および方法
EP3375769B1 (en) * 2011-10-26 2022-03-09 Novomer, Inc. Process for the preparation of acrylates from epoxides
CN104245659B (zh) 2012-02-13 2016-08-24 诺沃梅尔公司 由环氧化物生产酸酐的方法
PL2817285T3 (pl) 2012-02-22 2019-07-31 Novomer, Inc. Sposoby produkcji kwasu akrylowego
SG11201408678WA (en) 2012-06-27 2015-01-29 Novomer Inc Catalysts and methods for polyester production
KR20150027766A (ko) * 2012-07-02 2015-03-12 노보머, 인코포레이티드 아크릴레이트 제조 방법
DE102012212437A1 (de) 2012-07-16 2014-01-16 Basf Se Verfahren zur Herstellung von Acrylsäure aus Ethylenoxid und Kohlenmonoxid
DE102012212424A1 (de) * 2012-07-16 2014-01-16 Basf Se Verfahren zur Herstellung von Acrylsäure durch eine mit wenigstens einer molekularen Wirkverbindung katalysierte Thermolyse von Poly-3-hydroxypropionat
EP3077091A4 (en) 2013-12-07 2017-12-20 Novomer, Inc. Nanofiltration membranes and methods of use
SG11201607599YA (en) 2014-03-14 2016-10-28 Novomer Inc Catalysts for epoxide carbonylation
US10858329B2 (en) 2014-05-05 2020-12-08 Novomer, Inc. Catalyst recycle methods
SG11201610058QA (en) 2014-05-30 2016-12-29 Novomer Inc Integrated methods for chemical synthesis
AU2015292361B2 (en) 2014-07-25 2019-07-18 Novomer, Inc. Synthesis of metal complexes and uses thereof
AU2016219077A1 (en) 2015-02-13 2017-08-24 Novomer, Inc. Flexible chemical production platform
MA41510A (fr) 2015-02-13 2017-12-19 Novomer Inc Procédé de production d'acide acrylique
MA41513A (fr) 2015-02-13 2017-12-19 Novomer Inc Procédé de distillation pour la production d'acide acrylique
MA41514A (fr) 2015-02-13 2017-12-19 Novomer Inc Procédés intégrés de synthèse chimique
EP3256441B1 (en) 2015-02-13 2020-04-08 Novomer, Inc. Continuous carbonylation processes
MA41508A (fr) 2015-02-13 2017-12-19 Novomer Inc Systèmes et procédés de production d'acide polyacrylique
MA41507A (fr) 2015-02-13 2017-12-19 Novomer Inc Systèmes et procédés de production de polymères
MX2017010405A (es) 2015-02-13 2018-02-23 Novomer Inc Proceso y sistema para producir polipropiolactona.
CN107922602A (zh) 2015-07-01 2018-04-17 诺沃梅尔公司 由生物基乙醇制造的聚合物组合物
US20170001946A1 (en) 2015-07-02 2017-01-05 Sadesh Sookraj Terephthalate derivatives and compositions thereof
KR20180027631A (ko) 2015-07-31 2018-03-14 노보머, 인코포레이티드 아크릴산 및 이의 전구체를 위한 제조 시스템/제조 방법
US20180282251A1 (en) 2017-03-21 2018-10-04 Novomer, Inc. Systems and processes for producing organic acids direct from beta-lactones
WO2017165345A1 (en) 2016-03-21 2017-09-28 Novomer, Inc. Systems and methods for producing superabsorbent polymers
CN108884000A (zh) 2016-03-21 2018-11-23 诺沃梅尔公司 丙烯酸和其制造方法
US20180305286A1 (en) 2016-03-21 2018-10-25 Novomer, Inc. Systems and Processes for Producing Organic Acids Direct from Beta-Lactones
MX2019005098A (es) 2016-11-02 2019-08-12 Novomer Inc Polimeros absorbentes, metodos y sistemas para producir y usar los mismos.
US20200061578A1 (en) 2016-11-02 2020-02-27 Novomer, Inc. Absorbent polymers, and methods of producing thereof and uses thereof
US10144802B2 (en) 2016-12-05 2018-12-04 Novomer, Inc. Beta-propiolactone based copolymers containing biogenic carbon, methods for their production and uses thereof
US20180155490A1 (en) 2016-12-05 2018-06-07 Novomer, Inc. Biodegradable polyols having higher biobased content
US10500104B2 (en) 2016-12-06 2019-12-10 Novomer, Inc. Biodegradable sanitary articles with higher biobased content
AR110833A1 (es) 2017-01-19 2019-05-08 Novomer Inc Métodos y sistemas para el tratamiento de óxido de etileno
EP3596156A4 (en) 2017-03-17 2020-12-30 Novomer, Inc. POLYAMIDES AND METHOD OF MANUFACTURING THEREOF
US10065914B1 (en) 2017-04-24 2018-09-04 Novomer, Inc. Thermolysis of polypropiolactone to produce acrylic acid
US10781156B2 (en) 2017-06-30 2020-09-22 Novomer, Inc. Compositions for improved production of acrylic acid
US20190002385A1 (en) 2017-06-30 2019-01-03 Novomer, Inc. Compositions for improved production of acrylic acid
US10899622B2 (en) 2017-06-30 2021-01-26 Novomer, Inc. Biobased carbon fibers and carbon black and methods of making the same
US10676426B2 (en) 2017-06-30 2020-06-09 Novomer, Inc. Acrylonitrile derivatives from epoxide and carbon monoxide reagents
US10961209B2 (en) 2017-08-10 2021-03-30 Novomer, Inc. Processes for producing beta-lactone and beta-lactone derivatives with heterogenous catalysts
TW201920077A (zh) 2017-09-09 2019-06-01 美商諾沃梅爾公司 醯胺及腈化合物及其製造與使用方法
US20190076835A1 (en) 2017-09-11 2019-03-14 Novomer, Inc. Processses using multifunctional catalysts
US20190076834A1 (en) 2017-09-11 2019-03-14 Novomer, Inc. Processes Using Multifunctional Catalysts
CN111182968A (zh) 2017-10-05 2020-05-19 诺沃梅尔公司 异氰酸酯、其衍生物及它们的生产方法
CN111954686A (zh) 2018-03-22 2020-11-17 诺沃梅尔公司 含硫的聚合物和含磷的聚合物、及其生产方法
US11773215B2 (en) 2018-04-06 2023-10-03 Novomer, Inc. Polypropiolactone films, and methods of producing thereof
WO2019221925A1 (en) 2018-05-18 2019-11-21 Novomer, Inc. Integrated systems and processes for chemical production
WO2019226570A1 (en) 2018-05-22 2019-11-28 Novomer, Inc. Processes for producing bio-based aromatic compounds and derivatives

Also Published As

Publication number Publication date
JP6921749B2 (ja) 2021-08-18
EP3257009B1 (en) 2022-04-06
US10683390B2 (en) 2020-06-16
US20180094100A1 (en) 2018-04-05
JP2021181576A (ja) 2021-11-25
JP2018505286A (ja) 2018-02-22
WO2016130947A1 (en) 2016-08-18
SA517382086B1 (ar) 2021-12-08
HK1246461A1 (zh) 2018-09-07
CN107430734A (zh) 2017-12-01
KR20170129738A (ko) 2017-11-27
SA521421542B1 (ar) 2023-02-08
CA2976456A1 (en) 2016-08-18
EP3257009A1 (en) 2017-12-20
AU2016219129A1 (en) 2017-08-24
HK1245471A1 (zh) 2018-08-24
CN107430734B (zh) 2021-10-22
JP7403169B2 (ja) 2023-12-22
MA41507A (fr) 2017-12-19
EP3257009A4 (en) 2018-10-24
US20200283569A1 (en) 2020-09-10

Similar Documents

Publication Publication Date Title
MX2017010406A (es) Sistemas y procesos para la produccion de polimeros.
PH12018500981A1 (en) Treatment of osteoarthritis
MX2022009148A (es) Composiciones y metodos para el tratamiento de hemoglobinopatias.
MX2018002986A (es) Compuestos de heteroarilo como inhibidores de cinasas asociadas al receptor de interleucina 1 (irak) y sus usos.
SA519401787B1 (ar) تركيبة صيدلانية للوقاية من سرطان المخ أو علاجه تشتمل على متعدد أشكال بلورية لسداسي أكسيد الزرنيخ الرباعي، وطريقة لتحضيرها
NZ739676A (en) Heteroaryl compounds as irak inhibitors and uses thereof
BR112018074001A2 (pt) composição e método de tratamento de substratos
NZ738563A (en) 4-hydroxy-3-(heteroaryl)pyridine-2-one apj agonists for use in the treatment of cardiovascular disorders
PH12020500329A1 (en) Method of producing pharmaceutical compositions comprising immunogenic chikungunya virus chikv-delta5nsp3
TN2014000425A1 (en) Cyclic bridgehead ether dgat1 inhibitors
PH12019502093A1 (en) Novel ester compounds, method for the production thereof and use thereof
PH12017500870A1 (en) Polymer composition comprising basic additive, process and articles comprising said polymer composition
MX2018000529A (es) N,n-dialquilglucamina para estabilizar dispersiones de polimero.
MX2015011894A (es) Composiciones farmaceuticas para administracion rectal.
PH12016500963A1 (en) Novel dgat2 inhibitors
MX2017005806A (es) Nuevas carbodiimidas, procedimiento para su preparacion y su uso.
PH12018550165A1 (en) An improved process for the preparation of butorphanol tartrate
MA40220A (fr) Pyridinones substitués par phényle et acide tertbutylacétique à effet anti-vih
MX368883B (es) Proceso nuevo para la eterificacion de las bis-resorcinil triazinas.
EP3502119A3 (en) Immunomodulating beta-1,6-d-glucans
GB2547812A (en) Proppant composition and method
MY182024A (en) Dispersant composition for hydraulic composition
MX2017008074A (es) DERIVADOS DE IMIDAZOPIRIDAZINA COMO INHIBIDORES DE FOSFOINOSITIDA-3-QUINASAS BETA (PI3Kß).
MX2017008076A (es) DERIVADOS DE IMIDAZOPIRIDAZINA ENLAZADOS A HETEROCICLILO COMO INHIBIDORES DE PI3Kß.
MX2018007018A (es) Polimero de multiples etapas como aditivo de molienda y metodo de produccion del mismo.