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MX2019010005A - Formulaciones curables y solubles en disolventes, y metodos de fabricacion y uso. - Google Patents

Formulaciones curables y solubles en disolventes, y metodos de fabricacion y uso.

Info

Publication number
MX2019010005A
MX2019010005A MX2019010005A MX2019010005A MX2019010005A MX 2019010005 A MX2019010005 A MX 2019010005A MX 2019010005 A MX2019010005 A MX 2019010005A MX 2019010005 A MX2019010005 A MX 2019010005A MX 2019010005 A MX2019010005 A MX 2019010005A
Authority
MX
Mexico
Prior art keywords
curable
making
methods
formulations
solvent soluble
Prior art date
Application number
MX2019010005A
Other languages
English (en)
Inventor
Hearon Keith
Omura Paige
Knopf Ioana
Tabet Anthony
Original Assignee
Poly6 Tech 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 Poly6 Tech Inc filed Critical Poly6 Tech Inc
Publication of MX2019010005A publication Critical patent/MX2019010005A/es

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y70/00—Materials specially adapted for additive manufacturing
    • B33Y70/10—Composites of different types of material, e.g. mixtures of ceramics and polymers or mixtures of metals and biomaterials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y80/00—Products made by additive manufacturing
    • 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
    • C08F2/00—Processes of polymerisation
    • C08F2/38—Polymerisation using regulators, e.g. chain terminating agents, e.g. telomerisation
    • 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
    • C08F220/00—Copolymers 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
    • C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/04—Acids; Metal salts or ammonium salts thereof
    • C08F220/06—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
    • C08F220/00—Copolymers 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
    • C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/52—Amides or imides
    • 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
    • C08F220/00—Copolymers 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
    • C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/52—Amides or imides
    • C08F220/54—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide
    • C08F220/56—Acrylamide; Methacrylamide
    • 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
    • C08F220/00—Copolymers 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
    • C08F220/62—Monocarboxylic acids having ten or more carbon atoms; Derivatives 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
    • C08F222/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical and containing at least one other carboxyl radical in the molecule; Salts, anhydrides, esters, amides, imides, or nitriles thereof
    • C08F222/02—Acids; Metal salts or ammonium salts thereof, e.g. maleic acid or itaconic 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
    • C08F226/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen
    • C08F226/02—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen by a single or double bond to nitrogen
    • 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
    • C08F226/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen
    • C08F226/06—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen by a heterocyclic ring containing nitrogen
    • C08F226/10—N-Vinyl-pyrrolidone
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y10/00—Processes of additive manufacturing
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D11/00—Inks
    • C09D11/30—Inkjet printing inks
    • C09D11/38—Inkjet printing inks characterised by non-macromolecular additives other than solvents, pigments or dyes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Civil Engineering (AREA)
  • Composite Materials (AREA)
  • Structural Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

Se describen formulaciones curables, formulaciones curadas, y mezclas y compuestos de las mismas que son solubles en disolventes y/o agua o degradables en disolventes y/o agua, así como los métodos para preparar y usar las formulaciones, mezclas y compuestos. También se describen estructuras modeladas formadas a partir de formulaciones curables, que son solubles en disolventes. Dichas formulaciones curables y las estructuras modeladas formadas a partir de ellas pueden usarse para fabricar artículos o productos.
MX2019010005A 2017-02-22 2018-02-22 Formulaciones curables y solubles en disolventes, y metodos de fabricacion y uso. MX2019010005A (es)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201762462208P 2017-02-22 2017-02-22
US201762468826P 2017-03-08 2017-03-08
US201762469172P 2017-03-09 2017-03-09
US201762539922P 2017-08-01 2017-08-01
PCT/US2018/019231 WO2018156766A2 (en) 2017-02-22 2018-02-22 Curable and solvent soluble formulations and methods of making and using thereof

Publications (1)

Publication Number Publication Date
MX2019010005A true MX2019010005A (es) 2019-12-19

Family

ID=63253054

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2019010005A MX2019010005A (es) 2017-02-22 2018-02-22 Formulaciones curables y solubles en disolventes, y metodos de fabricacion y uso.

Country Status (5)

Country Link
US (2) US20200062877A1 (es)
EP (1) EP3585824A2 (es)
CA (1) CA3054300A1 (es)
MX (1) MX2019010005A (es)
WO (1) WO2018156766A2 (es)

Families Citing this family (55)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3508335B1 (en) * 2016-09-01 2023-02-01 Nippon Shokubai Co., Ltd. Photocurable support material composition for inkjet 3d printers, ink for inkjet 3d printers, cartridge for inkjet 3d printers, method for producing support material and method for producing optically shaped article
EP3335897B1 (en) * 2016-12-15 2023-09-27 Ricoh Company, Ltd. Method of forming a surface covering, apparatus for forming a surface covering and a surface covering
CN110290921B (zh) * 2017-03-06 2021-09-14 株式会社村田制作所 覆金属箔层压板、电路基板、以及多层电路基板
WO2019167948A1 (ja) 2018-03-02 2019-09-06 株式会社日本触媒 インクジェット３ｄプリンター用光硬化性サポート材用組成物、インク、カートリッジ、サポート材の製造方法ならびに光造形物の製造方法
JP2021531171A (ja) * 2018-07-18 2021-11-18 ポリ6 テクノロジーズ, インク.Poly6 Technologies, Inc. 成形体及び製造方法
US11229952B2 (en) * 2018-08-20 2022-01-25 Honeywell International Inc. System and method for forming part from rapidly manufactured article
CN109438595B (zh) * 2018-09-29 2021-05-04 吉化集团吉林市天龙催化剂有限公司 一种乙烯气相聚合浆液型催化剂及其制备方法
DE112019006618T5 (de) 2019-01-09 2022-03-17 Ford Global Technologies, Llc Verfahren zum Nachhärten von additiven Herstellungsteilen mit Elektronenstrahl
US12077653B2 (en) 2019-03-15 2024-09-03 University Of South Alabama Build materials for photochemical additive manufacturing applications
US12103229B2 (en) * 2019-03-15 2024-10-01 Ricoh Company, Ltd. Jettable temporary binders to create removable support materials
WO2020222725A1 (en) 2019-04-27 2020-11-05 Hewlett-Packard Development Company, L.P. Three-dimensional printing
EP4477683A3 (en) * 2019-07-12 2025-02-26 3D Systems, Incorporated Build materials for 3d printing
CN110591598B (zh) * 2019-08-07 2020-11-17 杭州电子科技大学 一种光伏材料粘结促进剂及其制备方法
US11602896B2 (en) * 2019-08-14 2023-03-14 Mighty Buildings, Inc. 3D printing of a composite material via sequential dual-curing polymerization
US20220340789A1 (en) * 2019-08-20 2022-10-27 3M Innovative Properties Company Film including hybrid solvent barrier and primer layer
EP4000726A4 (en) 2019-08-22 2023-04-26 M.O.P Co., Ltd Ceramic microfluidic reactor and manufacturing method therefor
US20220274174A1 (en) * 2019-10-10 2022-09-01 Hewlett-Packard Development Company, L.P. Three-dimensional printing with glycidyl compounds
US12233596B2 (en) * 2020-02-28 2025-02-25 Ricoh Co., Ltd. Jettable temporary solubolized peek binders to create removable support materials
CN113522192B (zh) * 2020-04-20 2022-10-21 中国石油化工股份有限公司 制备聚α-烯烃的装置和方法
IT202000010219A1 (it) * 2020-05-07 2021-11-07 Marco Carmela De Processo di stampa di dispositivi medicali ad alte risoluzioni e geometrie complesse
WO2021224816A1 (en) * 2020-05-07 2021-11-11 De Marco Carmela High resolution 3d printing process of complex structures
CN114516932B (zh) * 2020-11-19 2022-12-02 中国科学院福建物质结构研究所 一种生物基透明可降解柔性树脂及其制备方法
JP7530442B2 (ja) * 2020-11-30 2024-08-07 日東電工株式会社 偏光板およびそれを用いた画像表示装置
CN115124804B (zh) * 2021-03-29 2023-10-31 上普博源（北京）生物科技有限公司 一种组合物
US11571738B2 (en) * 2021-03-30 2023-02-07 Raytheon Technologies Corporation Water soluble polymer for core forming
US20240190049A1 (en) * 2021-04-09 2024-06-13 The Regents Of The University Of California Fluidic Infiltrative Assemblies of Three-Dimensional Hydrogels
JP7614924B2 (ja) * 2021-04-20 2025-01-16 東京応化工業株式会社 ナノインプリント用組成物及びパターン形成方法
EP4094847A1 (en) * 2021-05-27 2022-11-30 Axalta Coating Systems GmbH Coating compositions and methods for application
CN115372527B (zh) * 2021-08-27 2024-10-15 西湖大学 用于生物样品的膨胀蛋白组学分析的方法和制剂
KR102888652B1 (ko) * 2021-09-16 2025-11-26 삼성에스디아이 주식회사 유기발광소자 봉지용 조성물 및 이로부터 제조된 유기층을 포함하는 유기발광소자 표시장치
JP2024535979A (ja) * 2021-09-16 2024-10-04 サムスン エスディアイ カンパニー，リミテッド 有機発光素子封止用組成物およびそれにより製造された有機層を含む有機発光素子表示装置
IL312805A (en) 2021-11-12 2024-07-01 Polyfos 3D Ltd VAT processes
CN113969096B (zh) * 2021-11-29 2022-07-05 四川大学 高强室温自修复聚脲涂层材料及制备方法
DE102021133031A1 (de) 2021-12-14 2023-06-15 Rehau Automotive Se & Co. Kg Verfahren zum in-situ Aufbringen einer Maskierungsschicht auf ein spritzgegossenes Kunststoffteil
US12234356B2 (en) * 2021-12-14 2025-02-25 William Marsh Rice University Epoxy compositions containing polyrotaxane additives having improved impact strength
CN114326295B (zh) * 2022-03-15 2022-07-19 之江实验室 一种氧化锌微纳图案的飞秒激光直写方法
WO2024036095A2 (en) * 2022-08-08 2024-02-15 University Of Florida Research Foundation, Inc. Stimuli-responsive chromogenic materials, methods of making and methods of use
US20240059927A1 (en) * 2022-08-15 2024-02-22 Align Technology, Inc. Vinyl ether-based inkjet ink photopolymerized by thiol-ene click chemistry used for toughening of photopolymers
CN115368747B (zh) * 2022-09-27 2023-04-07 西南交通大学 一种提升蜡质沥青低温性能的分散剂及其沥青和制备方法
KR20250083398A (ko) * 2022-10-11 2025-06-10 헨켈 아게 운트 코. 카게아아 적층 제조를 위한 광경화성 조성물 및 이의 용도
WO2024081115A1 (en) * 2022-10-11 2024-04-18 Henkel Ag & Co., Kgaa Photocurable compositions for three-dimensional investment pattern casting and use thereof
US12138687B2 (en) 2022-10-21 2024-11-12 Battelle Energy Alliance, Llc Methods of forming articles including microchannels therein, and related articles
JPWO2024117222A1 (es) * 2022-12-01 2024-06-06
DE102023104545A1 (de) * 2023-02-24 2024-08-29 MTU Aero Engines AG Verfahren zum zumindest bereichsweisen Erzeugen einer Oxidationsschutzschicht auf einem Bauteil einer thermischen Gasturbinel
US20240399120A1 (en) * 2023-03-10 2024-12-05 Access Vascular, Inc. Material binding compositions and related methods
JPWO2024203009A1 (es) * 2023-03-27 2024-10-03
WO2024227041A1 (en) * 2023-04-28 2024-10-31 Axalta Coating Systems Gmbh Method of applying a coating composition to a substrate utilizing a high transfer efficiency applicator
WO2024238268A2 (en) * 2023-05-12 2024-11-21 Arkema Inc. Accelerated peroxide-cured resin compositions having extended open times
WO2025007128A2 (en) * 2023-06-30 2025-01-02 Trustees Of Tufts College Biopolymer-based tympanostomy tubes with programmable, tunable, and on-demand degradation
US20250059809A1 (en) * 2023-08-15 2025-02-20 Toyota Motor Engineering & Manufacturing North America, Inc. Cold draw programmable grayscale digital light processing 3d printed shape-morphing structures and methods of forming the same
WO2025043217A1 (en) * 2023-08-24 2025-02-27 Wayne State University Implantable devices with functional surface patterns
CN117925009A (zh) * 2024-01-22 2024-04-26 烟台先进材料与绿色制造山东省实验室 一种硅橡胶3d打印墨水和布利冈梯度吸能体
WO2025188688A1 (en) * 2024-03-04 2025-09-12 Monroe Mary Beth Rapid synthesis of degradable polyols based on esters and thioethers for use in polyurethanes
CN119391332B (zh) * 2025-01-02 2025-04-01 江苏一特新材料有限责任公司 一种锂电池硅负极用自愈合改性粘结剂及其制备方法和应用
CN120574362B (zh) * 2025-08-05 2025-10-21 西南石油大学 一种功能化液态金属基温度响应型水凝胶材料及制备方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IE56255B1 (en) * 1982-11-06 1991-06-05 Dsm Resins Bv Bismaleimide-containing thermosetting compositions and polymers
US20060226575A1 (en) * 2005-04-07 2006-10-12 Mariam Maghribi Micro-fabrication of bio-degradable polymeric implants
US9708440B2 (en) * 2015-06-18 2017-07-18 Novoset, Llc High temperature three dimensional printing compositions

Also Published As

Publication number Publication date
US20200062877A1 (en) 2020-02-27
US20220119569A1 (en) 2022-04-21
CA3054300A1 (en) 2018-08-30
WO2018156766A3 (en) 2018-10-04
WO2018156766A2 (en) 2018-08-30
EP3585824A2 (en) 2020-01-01

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