[go: up one dir, main page]

IT945576B - Trattamento di materiali polimeri per evitare l accumulo di polvere su di e ssi dovuto a cariche elettrostatiche - Google Patents

Trattamento di materiali polimeri per evitare l accumulo di polvere su di e ssi dovuto a cariche elettrostatiche

Info

Publication number
IT945576B
IT945576B IT54906/71A IT5490671A IT945576B IT 945576 B IT945576 B IT 945576B IT 54906/71 A IT54906/71 A IT 54906/71A IT 5490671 A IT5490671 A IT 5490671A IT 945576 B IT945576 B IT 945576B
Authority
IT
Italy
Prior art keywords
accumulation
dust
avoid
treatment
polymer materials
Prior art date
Application number
IT54906/71A
Other languages
English (en)
Italian (it)
Original Assignee
Monsanto Chemicals
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 Monsanto Chemicals filed Critical Monsanto Chemicals
Application granted granted Critical
Publication of IT945576B publication Critical patent/IT945576B/it

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/12Chemical modification
    • C08J7/123Treatment by wave energy or particle radiation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07Flat, e.g. panels
    • B29C48/08Flat, e.g. panels flexible, e.g. films
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/30Extrusion nozzles or dies
    • B29C48/305Extrusion nozzles or dies having a wide opening, e.g. for forming sheets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C71/00After-treatment of articles without altering their shape; Apparatus therefor
    • B29C71/0081After-treatment of articles without altering their shape; Apparatus therefor using an electric field, e.g. for electrostatic charging
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00Processes of treating or compounding macromolecular substances
    • C08J3/24Crosslinking, e.g. vulcanising, of macromolecules
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/08Heat treatment
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05FSTATIC ELECTRICITY; NATURALLY-OCCURRING ELECTRICITY
    • H05F1/00Preventing the formation of electrostatic charges
    • H05F1/02Preventing the formation of electrostatic charges by surface treatment
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING 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
    • B29K2023/00Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/04Polymers of ethylene
    • B29K2023/06PE, i.e. polyethylene
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING 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
    • B29K2023/00Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/10Polymers of propylene
    • B29K2023/12PP, i.e. polypropylene
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING 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
    • B29K2025/00Use of polymers of vinyl-aromatic compounds or derivatives thereof as moulding material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING 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
    • B29K2055/00Use of specific polymers obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in a single one of main groups B29K2023/00 - B29K2049/00, e.g. having a vinyl group, as moulding material
    • B29K2055/02ABS polymers, i.e. acrylonitrile-butadiene-styrene polymers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING 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
    • B29K2077/00Use of PA, i.e. polyamides, e.g. polyesteramides or derivatives thereof, as moulding material

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Filtering Materials (AREA)
IT54906/71A 1970-12-22 1971-12-21 Trattamento di materiali polimeri per evitare l accumulo di polvere su di e ssi dovuto a cariche elettrostatiche IT945576B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB6075070 1970-12-22

Publications (1)

Publication Number Publication Date
IT945576B true IT945576B (it) 1973-05-10

Family

ID=10486020

Family Applications (1)

Application Number Title Priority Date Filing Date
IT54906/71A IT945576B (it) 1970-12-22 1971-12-21 Trattamento di materiali polimeri per evitare l accumulo di polvere su di e ssi dovuto a cariche elettrostatiche

Country Status (8)

Country Link
AU (1) AU3695171A (es)
BE (1) BE777081A (es)
CA (1) CA972319A (es)
DE (1) DE2162857A1 (es)
ES (1) ES398031A1 (es)
FR (1) FR2119546A5 (es)
GB (1) GB1348646A (es)
IT (1) IT945576B (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL9100815A (nl) * 1991-05-10 1992-12-01 Kema Nv Werkwijze voor het vervaardigen van een ionomeer.
CN113635532B (zh) * 2021-08-09 2023-07-28 界首市天鸿新材料股份有限公司 Pp/pe/pp三层共挤锂电池动力隔膜流延装置

Also Published As

Publication number Publication date
CA972319A (en) 1975-08-05
FR2119546A5 (es) 1972-08-04
BE777081A (fr) 1972-06-21
ES398031A1 (es) 1976-03-16
AU3695171A (en) 1973-06-21
DE2162857A1 (de) 1972-07-13
GB1348646A (en) 1974-03-20

Similar Documents

Publication Publication Date Title
CH521170A (fr) Dépoussiéreur électrostatique
BE806409Q (fr) Dispositifs d'exposition d'objets
IT989715B (it) Precipitatore elettrostatico ad umido
CH528105A (de) Elektrostatisches Kopiergerät
SE381409B (sv) Elektrostatisk stoftavskiljare
AR195589A1 (es) Precipitador electrostatico
DE2055683B2 (de) Elektrostatischer elektroakustischer wandler
BE759792A (nl) Elektrostatisch kopieerapparaat
BR7100388D0 (pt) Precipitacao eletrostatica
IT976339B (it) Precipitatore elettrostatico
BE759078A (nl) Elektrostatisch kopieerapparaat
FR2073149A5 (fr) Photocopieur electrostatique
AT320088B (de) Elektrostatisches Filter
BE802289A (fr) Depoussiereur electrostatique
IT939482B (it) Apparecchiatura di copiatura elettrostatica
AT260371B (de) Elektrostatischer Staubabscheider
NL159895C (nl) Elektrostatische stofafscheider.
BE773586A (nl) Elektrostatisch kopieerapparaat
BE759725A (fr) Matiere de rechargement heterogene
IT945576B (it) Trattamento di materiali polimeri per evitare l accumulo di polvere su di e ssi dovuto a cariche elettrostatiche
AT303223B (de) Elektrostatische Pulverbeschichtung
SE386750B (sv) Elektrostatisk kopieringsmaskin
BE749037A (fr) Haut-parleur electrostatique perfectionne
BE772716A (nl) Lichtgevoelige materialen
CH530846A (de) Beschichtetes Schmirgelteilchen