BR112018002362A2 - melhorando a pureza de materiais reciclados a partir de artigos absorventes descartáveis - Google Patents

melhorando a pureza de materiais reciclados a partir de artigos absorventes descartáveis

Info

Publication number
BR112018002362A2
BR112018002362A2 BR112018002362A BR112018002362A BR112018002362A2 BR 112018002362 A2 BR112018002362 A2 BR 112018002362A2 BR 112018002362 A BR112018002362 A BR 112018002362A BR 112018002362 A BR112018002362 A BR 112018002362A BR 112018002362 A2 BR112018002362 A2 BR 112018002362A2
Authority
BR
Brazil
Prior art keywords
disposable absorbent
mixed
absorbent article
fiber stream
improving
Prior art date
Application number
BR112018002362A
Other languages
English (en)
Other versions
BR112018002362B1 (pt
Inventor
Lee Hosun
Kim Hyungbyum
Kim Kyungshin
Original Assignee
Kimberly Clark Co
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 Kimberly Clark Co filed Critical Kimberly Clark Co
Publication of BR112018002362A2 publication Critical patent/BR112018002362A2/pt
Publication of BR112018002362B1 publication Critical patent/BR112018002362B1/pt

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/02—Separating plastics from other materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE
    • B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
    • B09B3/80—Destroying solid waste or transforming solid waste into something useful or harmless involving an extraction step
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/04—Disintegrating plastics, e.g. by milling
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J11/00—Recovery or working-up of waste materials
    • C08J11/04—Recovery or working-up of waste materials of polymers
    • C08J11/06—Recovery or working-up of waste materials of polymers without chemical reactions
    • C08J11/08—Recovery or working-up of waste materials of polymers without chemical reactions using selective solvents for polymer components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/02—Separating plastics from other materials
    • B29B2017/0213—Specific separating techniques
    • B29B2017/0217—Mechanical separating techniques; devices therefor
    • B29B2017/0251—Hydropulping for converting the material under the influence of water into a slurry, e.g. for separating laminated plastic from paper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2001/00—Use of cellulose, modified cellulose or cellulose derivatives, e.g. viscose, as moulding material
    • B29K2001/08—Cellulose derivatives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/48—Wearing apparel
    • B29L2031/4871—Underwear
    • B29L2031/4878—Diapers, napkins
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2300/00—Characterised by the use of unspecified polymers
    • C08J2300/14—Water soluble or water swellable polymers, e.g. aqueous gels
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

Abstract

melhorar a recuperação da reciclagem de um artigo absorvente descartável incluindo um polímero superabsorvente inclui a separação do artigo numa corrente mista de material polimérico/fibra celulósica e uma corrente de polímero/fibras superabsorvente; e processar a corrente de material polimérico/fibra celulósica misturada usando uma enzima para liberar as fibras celulósicas dos materiais poliméricos. o método também pode incluir a trituração do artigo absorvente descartável; a re-polpação do artigo absorvente descartável; e a desidratação do polímero superabsorvente, em que a desidratação inclui extrair a água de polímeros superabsorventes inchados (saps) por imersão de sap inchado em um estado de gel em uma composição para remoção de umidade, em que a água do mar e 0,5 a 3% em peso de cloreto de cálcio com base no peso da água do mar são misturados durante 10 minutos a 4 horas.
BR112018002362-0A 2015-08-31 2015-08-31 Método para melhorar a recuperação da reciclagem de um artigo absorvente descartável incluindo um polímero superabsorvente BR112018002362B1 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2015/047736 WO2017039615A1 (en) 2015-08-31 2015-08-31 Improving the purity of materials recycled from disposable absorbent articles

Publications (2)

Publication Number Publication Date
BR112018002362A2 true BR112018002362A2 (pt) 2018-09-25
BR112018002362B1 BR112018002362B1 (pt) 2022-04-26

Family

ID=58187640

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112018002362-0A BR112018002362B1 (pt) 2015-08-31 2015-08-31 Método para melhorar a recuperação da reciclagem de um artigo absorvente descartável incluindo um polímero superabsorvente

Country Status (9)

Country Link
US (1) US10493661B2 (pt)
EP (1) EP3344426B1 (pt)
KR (1) KR102335500B1 (pt)
CN (1) CN107921666B (pt)
AU (1) AU2015408175B2 (pt)
BR (1) BR112018002362B1 (pt)
MX (1) MX2018001716A (pt)
RU (1) RU2694344C1 (pt)
WO (1) WO2017039615A1 (pt)

Families Citing this family (4)

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Publication number Priority date Publication date Assignee Title
US11433158B2 (en) * 2017-12-12 2022-09-06 The Procter & Gamble Company Recycle friendly and sustainable absorbent articles
KR102503850B1 (ko) * 2018-12-14 2023-02-23 주식회사 엘지화학 위생용 흡수 제품으로부터 재사용 가능한 고흡수성 수지를 회수하는 방법
JP6771633B1 (ja) 2019-05-30 2020-10-21 ユニ・チャーム株式会社 使用済み吸収性物品由来の高吸水性ポリマーを再生する方法及び使用済み吸収性物品由来のリサイクル高吸水性ポリマー
WO2022093672A1 (en) * 2020-10-28 2022-05-05 The Procter & Gamble Company Cementitious compositions comprising recycled superabsorbent polymer

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Also Published As

Publication number Publication date
KR102335500B1 (ko) 2021-12-08
BR112018002362B1 (pt) 2022-04-26
CN107921666A (zh) 2018-04-17
AU2015408175B2 (en) 2021-08-05
AU2015408175A1 (en) 2018-03-15
KR20180048686A (ko) 2018-05-10
EP3344426A1 (en) 2018-07-11
EP3344426B1 (en) 2020-04-29
CN107921666B (zh) 2020-12-18
MX2018001716A (es) 2018-05-15
US20180236692A1 (en) 2018-08-23
RU2694344C1 (ru) 2019-07-11
EP3344426A4 (en) 2019-05-15
WO2017039615A1 (en) 2017-03-09
US10493661B2 (en) 2019-12-03

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B09A Decision: intention to grant [chapter 9.1 patent gazette]
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Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 31/08/2015, OBSERVADAS AS CONDICOES LEGAIS.