ES2617502T3 - Método de fabricación de un artículo de polímero y artículo resultante - Google Patents

Método de fabricación de un artículo de polímero y artículo resultante Download PDF

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ES2617502T3
ES2617502T3 ES12713802.2T ES12713802T ES2617502T3 ES 2617502 T3 ES2617502 T3 ES 2617502T3 ES 12713802 T ES12713802 T ES 12713802T ES 2617502 T3 ES2617502 T3 ES 2617502T3
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Diing Yaw CHIENG
Hung Than MAR
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NOBEL SCIENTIFIC Sdn Bhd
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    • 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
    • C09D115/00—Coating compositions based on rubber derivatives
    • 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
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/02—Direct processing of dispersions, e.g. latex, to articles
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L13/00—Compositions of rubbers containing carboxyl groups
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
    • B29C41/003—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor characterised by the choice of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
    • B29C41/02—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
    • B29C41/14—Dipping a core
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
    • B29C41/34—Component parts, details or accessories; Auxiliary operations
    • B29C41/42—Removing articles from moulds, cores or other substrates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
    • C08C19/00—Chemical modification of rubber
    • C08C19/22—Incorporating nitrogen atoms into the molecule
    • 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/02—Polymeric products of isocyanates or isothiocyanates of isocyanates or isothiocyanates only
    • 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
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/20—Compounding polymers with additives, e.g. colouring
    • C08J3/205—Compounding polymers with additives, e.g. colouring in the presence of a continuous liquid phase
    • C08J3/21—Compounding polymers with additives, e.g. colouring in the presence of a continuous liquid phase the polymer being premixed with a liquid phase
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/28—Nitrogen-containing compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/05—Alcohols; Metal alcoholates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L15/00—Compositions of rubber derivatives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
    • 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
    • C09D115/00—Coating compositions based on rubber derivatives
    • C09D115/005—Hydrogenated nitrile rubber
    • 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
    • C09D119/00—Coating compositions based on rubbers, not provided for in groups C09D107/00 - C09D117/00
    • C09D119/02—Latex
    • 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
    • B29K2033/00—Use of polymers of unsaturated acids or derivatives thereof as moulding material
    • B29K2033/18—Polymers of nitriles
    • 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
    • B29L2031/4842—Outerwear
    • B29L2031/4864—Gloves
    • 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
    • B29L2031/768—Protective equipment
    • 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
    • C08J2313/00—Characterised by the use of rubbers containing carboxyl groups
    • 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
    • C08J2379/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen, or carbon only, not provided for in groups C08J2361/00 - C08J2377/00
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2237—Oxides; Hydroxides of metals of titanium
    • C08K2003/2241—Titanium dioxide

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  • 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)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • General Chemical & Material Sciences (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Moulding By Coating Moulds (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)

Abstract

Un método de fabricación del artículo de polímero que comprende los pasos de: fabricar una solución de polímero mezclando un primer compuesto que contiene grupos carbodiimida con un segundo compuesto que contiene grupos carboxilados; pretratar el formador con un prerecubrimiento, en el que el prerecubrimiento comprende al menos un tensioactivo, un agente de liberación y una solución iónica; aplicar la solución de polímero a un formador, en el que el paso de aplicar ocurre dentro de 2 horas de la fabricación de la solución de polímero; curar la solución de polímero; y separar el artículo de polímero del formador.

Description

imagen1
imagen2
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Ejemplos comparativos.
5
EJEMPLO COMPARATIVO 16. Se hicieron las películas elastoméricas usando una formulación libre de acelerador y libre de azufre adoptada del Ejemplo en la Publicación de Patente US 2002/0114943 A1, como se muestra en la Tabla 7. Se usó óxido de zinc (ZnO) para reticular el látex carboxilado. Se usó la solución de hidróxido de potasio (KOH) para ajustar el pH del compuesto aproximadamente 9.5.
10 EJEMPLO COMPARATIVO 17. Se hicieron las películas elastoméricas usando una formulación libre de zinc adoptada del Ejemplo en la Patente US 6,451,893, como se muestra en la Tabla 7. Se usaron aceleradores de di-n
7
5
10
15
20
25
butilditiocarbamato de zinc (ZDBC) y mercaptobenzotiazol de zinc (ZMBT) y azufre para reticular el látex carboxilado. Se incorporó antioxidante 2,2'-metilenobis-(4-metil-6-butilfenol) (MBPC).
EJEMPLO COMPARATIVO 18. Se hicieron las películas elastoméricas usando una formulación convencional que comprende un acelerador, azufre y óxido de zinc como se muestra en la Tabla 7.
EJEMPLO COMPARATIVO 19. Se hicieron las películas elastoméricas un látex de nitrito carboxilado reticulado (X-NBR-SXL) adoptado del documento WO 2011/068394, como se muestra en la Tabla 7.
Las características de película son como se muestran en la Tabla 8. Las propiedades físicas de las películas fueron buenas, pero la resistencia química de las películas fue más pobre que la de las realizaciones de los artículos de polímero de la presente invención. Los tiempos de filtración de fugas de ciclohexanona a través de las películas fue significativamente más corto para los Ejemplos Comparativos.
Tabla 7
Formulación Ej. 16 Ej. 17 Ej. 18 Ej. 19
ELx-C 5.5% MAA
100 100 100 -
X-NBR-SXL
- - - 100
KOH
1 1 1 1.35
ZnO
1 - 1 1.2
ZDBC
- 1 0.5 -
ZMBT
- 1 - -
Azufre
- 3 1 -
PC
1 - 1 1
MBPC
- 0.5 - -
TiO2
1.5 0.5 1 0.75
Pigmento azul
0.15 - - 0.05
Tabla 8 Ej.16 Ej.17 Ej.18 Ej.19
Propiedades físicas
Espesor, mm
0.09-0.1 0.08-0.09 0.08-0.1 0.1
TS, MPa
45-46 36-43 31-47 24-25
M300, MPa
3.8-4.5 8.9-9.3 2.1-3.6 3.1-7
M500, MPa
10-13.4 4.4-6.6 4.1-8.3 6.9-8.2
Eb, %
650-700 700-750 650-750 650-750
LS-t, %
84-88 80 70-74 68-72
LS-c, %
112-168 148 120-128 120-124
BT-c, min
8-12 15 7 10-13
Hinchamiento de película lineal en: tolueno (LS-t); ciclohexanona (LS-c); BT-c = tiempo de penetración de la ciclohexanona a través de la película elastomérica.
EJEMPLOS 20-23. Se hicieron los guantes elastoméricos usando la misma formulación como en el Ejemplo 11, pero curada en diferentes temperaturas desde 80 a 130°C, por 15 minutos. Se muestran las características resultantes en la Tabla 9. Los resultados muestran guantes con buenas propiedades de resistencia física y química. El desafío de la durabilidad muestra que se puede usar el guante reticulado CDI por más de 3 horas sin romper en sudor humano bajo condiciones reales de trabajo de laboratorio.
Tabla 9
Ej. 20
Ej. 21
Ej. 22
Ej. 23
Temperatura de curado
110°C 120°C 130°C 80°C
Propiedades físicas
Espesor, mm
0.08-0.09 0.08-0.09 0.08-0.09 0.07-0.08
TS, M Pa
36-41 34-41 35-41 36-44
8
Ej. 20
Ej. 21
Ej. 22
Ej. 23
M300, MPa
3.5-3.8 3.5-4 3.2-4.6 3.9-4.1
M500, MPa
10.6-12.9 8.2-14.8 9.2-13.3 10.2-11
Eb, %
600-650 600-650 600-650 650-700
LS-c, %
82-88 85-88 84-87 83-92
Durabilidad, min
> 180 > 180 > 180 > 180
Hinchamiento lineal de película en ciclohexanona (LS-c). Durabilidad = tiempo tomado por un guante para desintegrarse, romperse o desgarrarse (especialmente en las entrepiernas) después de usarse bajo condiciones reales de trabajo
EJEMPLOS 24-27. Se hicieron los artículos poliméricos filmados delgados usando la misma formulación como en el Ejemplo 11, pero sumergidos en diferentes etapas de su vida útil desde 1 a 168 horas después de añadir carbodiimidas en el látex. Las características de película son como se muestra en la Tabla 10.
Tabla 10
Ej. 24 Ej. 25 Ej. 26 Ej. 27
Vida útil 1 h 24 h 48 h 168 h
Propiedades físicas
Espesor, mm
0.08 0.08 0.08 0.08
TS, MPa
40-42 34-41 35-44 24-31
M300, MPa
3.8-4 2.6-3.2 2.6-3.3 2.3-2.5
M500, MPa
16.5 7.8-12.5 9.5-12.5 5.8-7.2
Eb, %
600 550-600 600-650 650-700
LS-c, % 89 89 85 100 Durabilidad, min > 180 > 180 > 180 > 120
Hinchamiento lineal de película en ciclohexanona (LS-c). Durabilidad = tiempo tomado por un guante para desintegrarse, romperse o desgarrarse (especialmente en las entrepiernas) después de usarse bajo condiciones reales de trabajo
10 A partir de la divulgación anterior y descripción detallada de ciertas realizaciones, será aparente que diferentes modificaciones, adiciones u otras realizaciones alternativas son posibles. Por ejemplo, en ciertas realizaciones se pueden usar el óxido de zinc en combinación con el primer compuesto y segundo compuesto sin efecto significativo en el artículo polimérico resultante. Se escogieron y discutieron las realizaciones escogidas para proporcionar la
15 mejor ilustración de los principios de la invención y su aplicación práctica para permitir a alguien de experiencia ordinaria en la técnica usar la invención en diversas realizaciones y con diversas modificaciones que son adecuadas para el uso particular contemplado.
9

Claims (1)

  1. imagen1
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HK1203993A1 (en) * 2012-02-29 2015-11-06 诺贝尔科学有限公司 Method of making a polymer article and resulting article
WO2017217542A1 (ja) 2016-06-16 2017-12-21 ミドリ安全株式会社 手袋の製造方法、手袋、及び手袋用エマルション組成物
US10954364B2 (en) 2016-12-19 2021-03-23 Midori Anzen Co., Ltd. Glove dipping composition, method for manufacturing gloves, and gloves
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EP3816222B1 (en) 2018-06-27 2023-08-23 Midori Anzen Co., Ltd. Dip molding composition, method for manufacturing glove, and glove

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