公开(公告)号：WO2022272094A1

公开(公告)日：2022-12-29

申请号：PCT/US2022/034948

申请日：2022-06-24

Applicant: ALIGN TECHNOLOGY, INC.

Inventor： CHOUDHARY, Umesh, Upendra

IPC: C08J11/10 ,  C08J11/105 ,  C08J11/14 ,  C08J2300/10 ,  C08J2333/08 ,  C08J2333/10

Abstract: The present disclosure provides methods and processes for the recovery of compounds (e.g., pendant groups) from polymeric materials, as well as methods for recycling and reusing such compounds by synthetically converting a recovered compound to building blocks that can be used in, e.g., curable resins for the fabrication of new devices, such as medical devices (e.g., orthodontic appliances).

公开(公告)号：WO2022214639A1

公开(公告)日：2022-10-13

申请号：PCT/EP2022/059383

申请日：2022-04-08

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： CHINTA, Sivadinarayana ,  STANISLAUS, Alexander ,  KORIPELLY, Girish ,  DUCHATEAU, Robbert ,  SABNIS, Kaiwalya ,  GAUTAM, Pankaj Singh ,  KANNAN, Ganesh ,  NARAYANASWAMY, Ravichander ,  JASINSKA-WALC, Lidia

IPC: C08G63/16 ,  C08F14/00 ,  C08G63/672 ,  C08G63/695 ,  C08G63/78 ,  C08G65/331 ,  C08G65/332 ,  C08G77/445 ,  C08J11/14 ,  C08J11/24

Abstract: A copolymer, methods of making the polymer, methods of recycling the polymer and compositions including the polymer are described. The copolymer, can contain repeating units of Formula (I), and repeating units of Formula (II), for each of Formulas (I) and (II), n is independently 1 and denotes number of repeat units, X is an aliphatic group for each of Formulas (I) and (II), Z is a first polyolefin group comprising at least 45 carbon atoms, preferably 100 to 700 carbon atoms, and has a degree of saturation 98 to 100 %; and Z' is an aliphatic hydrocarbon group. Formula (I) or Formula (II), or both, comprise 0.01 to 40 ester groups per 1,000 backbone carbon atoms

公开(公告)号：WO2022112715A1

公开(公告)日：2022-06-02

申请号：PCT/FR2021/052085

申请日：2021-11-24

Applicant: RECYC'ELIT

Inventor： MEDIMAGH, Raouf

IPC: C07C67/03 ,  C07C69/82 ,  C08J11/28 ,  C08J11/14 ,  C08J11/22

Abstract: La présente invention a trait au domaine du recyclage des plastiques de type PET couramment utilisés pour la fabrication de bouteilles en plastiques jetables, barquettes alimentaires, textile... Plus particulièrement, elle concerne un procédé permettant le recyclage du PET en dimethyl terephtalate ou téréphtalate de diméthyle (DMT) en quelques heures (moins de 5h) par la mise en œuvre d'une réaction complète résultant en un produit dénué d'impuretés. L'étape de dépolymérisation a lieu en présence d'un monoalcool ainsi que d'une base organique à motif guanidine ou amidine, et d'une deuxième base qui peut être soit inorganique, soit un éther oxyde. Ces deux bases sont présentes en quantités catalytiques par rapport à la quantité de PET à traiter.

公开(公告)号：WO2022094339A1

公开(公告)日：2022-05-05

申请号：PCT/US2021/057448

申请日：2021-10-29

Applicant: APEEL TECHNOLOGY, INC.

Inventor： BAKUS, II, Ronald C. ,  HIGGINS, Alena ,  FISHER, David ,  FRAZIER, Charles ,  PEREZ, Louis ,  RODRIGUEZ, Gabriel

IPC: C07C51/06 ,  C07C57/03 ,  C08J11/14

Abstract: Described herein are methods of preparing compounds derived from triglycerides or condensation polymers such as polyesters and/or polyamides. The methods may include subjecting triglyceride or condensation polymer containing matter to mechanical processing in the presence of a nucleophile.

公开(公告)号：WO2022042909A1

公开(公告)日：2022-03-03

申请号：PCT/EP2021/068323

申请日：2021-07-02

Applicant: EVONIK OPERATIONS GMBH

Inventor： HILDEBRAND, Jens ,  TERHEIDEN, Annegret ,  HINRICHS-TONTRUP, Natalia ,  PFEFFERLE, Walter

IPC: C08G18/32 ,  C08G18/48 ,  C08J11/14 ,  C08J11/16 ,  C08J11/28

Abstract: The present invention relates to an improved process for depolymerization of polyurethanes under mild conditions, wherein polyether polyols and polyamines can be recovered in high yields.

公开(公告)号：WO2022013309A1

公开(公告)日：2022-01-20

申请号：PCT/EP2021/069653

申请日：2021-07-14

Applicant: NOVAMONT S.P.A.

Inventor： BASTIOLI, Catia ,  VALLERO, Roberto

IPC: C08G63/02 ,  C08J11/14

Abstract: The present invention relates to a process for the reuse in polymerization of a biodegradable polymeric composition comprising a mixture of polyesters. The process comprises the steps of: 1) reacting said polymeric composition with water at a temperature higher than the melting temperature of at least one of said polyesters, obtaining a depolymerization product comprising monomers of said polyesters and / or their oligomers in a mixture, 2) separating from said depolymerization product a fraction comprising impurities and / or fillers, 3) subjecting said monomers and / or oligomers to polymerization, in quantities from 1% to 100% by weight, with respect to the mixture subjected to polymerization, obtaining a polymeric composition biodegradable. Further objects of the invention are the polymers obtained by means of said reuse process, the biodegradable polymeric compositions that comprise said polymers and the biodegradable articles obtained from said composition.

公开(公告)号：WO2021257431A1

公开(公告)日：2021-12-23

申请号：PCT/US2021/037187

申请日：2021-06-14

Applicant: THE PROCTER & GAMBLE COMPANY

Inventor： COLLIAS, Dimitris Ioannis ,  MCDANIEL, John Andrew ,  GILBERTSON, Gary Wayne ,  JAMES, Martin, Ian ,  SIMONYAN, Arsen Arsenov ,  GARCIA-GARCIA, Jose Carlos

IPC: C08J11/10 ,  C08J11/14 ,  C08J11/16 ,  C08J11/105 ,  C08J2300/14 ,  C08J2333/08

Abstract: Poly(acrylic acid)-based superabsorbent polymer (SAP) in a feed stream is converted into poly(acrylic acid) (PAA) in an extensional flow device. The total energy used to degrade the SAP into PAA is less than about 50 MJ/kg SAP.

公开(公告)号：WO2020214969A1

公开(公告)日：2020-10-22

申请号：PCT/US2020/028790

申请日：2020-04-17

Applicant: SPRINT ENVIRONMENTAL SERVICES, LLC

Inventor： ROODMAN, Robert, G. ,  SHAH, Premal

IPC: B01J3/00 ,  B01D53/00 ,  B01J3/06 ,  B01J8/20 ,  B29B17/00 ,  C08J11/14 ,  C10B53/07

Abstract: Improvements relate to a heat and energy integrated method and apparatus for plastic waste recovery having supercritical liquefaction. A volume of plastic waste is processed to produce a plastic waste stream. A reaction unit is utilized for adsorbing the plastic with a solvent having at least water, plus heating and pressurizing the plastic waste stream with the solvent into a supercritical extraction state for converting the plastic waste stream into a mixture fluid stream of a supercritical nature within the reaction unit. The mixture fluid stream may be cycled proximate to the outlet from the reaction unit via periodically letting the pressure down, and then letting the pressure recover. A volume of inert solids are removed from the mixture fluid stream thereby creating a remaining combined gases and liquids fluid stream. Power is recovered from the remaining combined gases and liquids fluid stream. And, volumes of water, gas and oil are separated from the combined gases and liquids fluid stream.

公开(公告)号：WO2016051572A1

公开(公告)日：2016-04-07

申请号：PCT/JP2014/076430

申请日：2014-10-02

Applicant: 高砂工業株式会社 ,  一般財団法人ファインセラミックスセンター

Inventor： 武藤　則男 ,  鈴木　基晴 ,  中村　寿樹 ,  北岡　諭 ,  和田　匡史 ,  河合　和彦 ,  林　一美

IPC: F23G5/20 ,  C08J11/14 ,  F23G5/033 ,  F23G5/16 ,  F23G7/00 ,  F27B7/20 ,  F27D17/00

CPC classification number: F23G5/0273 ,  C08J11/14 ,  F23G5/033 ,  F23G5/16 ,  F23G5/20 ,  F23G5/46 ,  F23G7/00 ,  F23G7/12 ,  F27B7/20 ,  F27D17/00 ,  Y02P10/283 ,  Y02P70/625 ,  Y02W30/622 ,  Y02W30/703 ,  Y02W30/704

Abstract: 　廃ガス中に占める可燃性のガスの割合を低減可能であり、過熱水蒸気の生成コストを削減可能な再生ロータリーキルンを提供することを課題とする。　再生ロータリーキルン（１）は、過熱水蒸気を生成する過熱水蒸気生成部（２）と、軸周りに回転可能であって、過熱水蒸気を供給しながら、マトリックス樹脂と炭素繊維とを有する炭素繊維強化樹脂（１０）を加熱することにより、マトリックス樹脂から可燃性のガス（１０Ｇ）を生成し、炭素繊維強化樹脂（１０）から炭素繊維（１０Ｓ）を抽出する加熱区間（Ａ）を有する管体（３）と、管体（３）の外部に配置され、加熱区間（Ａ）から導入されるガス（１０Ｇ）を燃焼させることにより加熱区間（Ａ）を加熱する第一燃焼室（４３ａ）と、第一燃焼室（４３ａ）から導入されるガス（１０Ｇ）を燃焼させることにより、過熱水蒸気を生成するための熱を供給する第二燃焼室（４３ｂ）と、を備えることを特徴とする。

Abstract translation: 本发明解决了提供可以减少废气中所含的可燃气体的百分比的再循环回转窑的问题，并且可以降低产生过热蒸汽的成本。 回收回转窑（1）的特征在于包括：过热蒸汽发生单元（2），其产生过热蒸汽; 管体（3），其能够绕轴线旋转，并且具有通过加热具有基体树脂的碳纤维增强塑料（10）从基质树脂产生可燃性气体（10G）的加热部（A） 和碳纤维，同时供应过热蒸汽，碳纤维（10S）从碳纤维增强塑料（10）中提取出来; 第一燃烧室（43a），其设置在所述管体（3）的外部，并且通过燃烧从所述加热部（A）引入的气体（10G）来加热所述加热部（A）; 以及通过燃烧从第一燃烧室（43a）引入的气体（10G）而供给用于产生过热蒸汽的热量的第二燃烧室（43b）。

公开(公告)号：WO2015103178A1

公开(公告)日：2015-07-09

申请号：PCT/US2014/072637

申请日：2014-12-30

Applicant: BP CORPORATION NORTH AMERICA INC.

Inventor： SCHMIDT, Gregory ,  BARTOS, Thomas ,  JOSHI, Ajay ,  BITSCH-LARSEN, Anders ,  METELSKI, Peter ,  LEONARDI, Daniel

IPC: C08J11/14 ,  C08J11/16 ,  C08J11/24

CPC classification number: C08J11/24 ,  C07C29/1285 ,  C07C67/03 ,  C08G63/183 ,  C08J11/14 ,  C08J11/16 ,  C08J2367/02 ,  Y02W30/704 ,  Y02W30/705 ,  Y02W30/706 ,  C07C69/82 ,  C07C31/202

Abstract: A method for forming an aromatic diacid and/or an aromatic diacid precursor from a polyester-containing feedstock. The method comprises contacting the polyester-containing feedstock with water or an alcohol to depolymerize the polyester and thereby form an aromatic diacid and/or an aromatic diacid precursor, wherein the polyester-containing feedstock comprises about 80 wt% or more polyester and about 1 wt% or more of at least one secondary material, and wherein the at least one secondary material is not polyester.

Abstract translation: 从含聚酯原料形成芳族二酸和/或芳族二酸前体的方法。 该方法包括使含聚酯的原料与水或醇接触以解聚聚酯，从而形成芳族二酸和/或芳族二酸前体，其中含聚酯的原料包含约80重量％或更多的聚酯和约1重量％ ％以上的至少一种次级材料，并且其中所述至少一种次级材料不是聚酯。