ES2224947T5 - Mezclas de caucho - Google Patents

Mezclas de caucho Download PDF

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Publication number
ES2224947T5
ES2224947T5 ES00106928.5T ES00106928T ES2224947T5 ES 2224947 T5 ES2224947 T5 ES 2224947T5 ES 00106928 T ES00106928 T ES 00106928T ES 2224947 T5 ES2224947 T5 ES 2224947T5
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ES
Spain
Prior art keywords
polysulfane
alkyl
halogen
rubber mixtures
din
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
ES00106928.5T
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English (en)
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ES2224947T3 (es
Inventor
Hans-Detlef Dr. Luginsland
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Evonik Operations GmbH
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Evonik Degussa GmbH
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Filing date
Publication date
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Application filed by Evonik Degussa GmbH filed Critical Evonik Degussa GmbH
Publication of ES2224947T3 publication Critical patent/ES2224947T3/es
Application granted granted Critical
Publication of ES2224947T5 publication Critical patent/ES2224947T5/es
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Classifications

    • 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
    • C08K5/54—Silicon-containing compounds
    • C08K5/548—Silicon-containing compounds containing sulfur
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/30—Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure
    • B65D85/34—Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure for fruit, e.g. apples, oranges or tomatoes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C1/00—Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
    • B60C1/0016—Compositions of the tread
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/4295—Ventilating arrangements, e.g. openings, space elements
    • 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
    • C08K5/54—Silicon-containing compounds
    • C08K5/5406—Silicon-containing compounds containing elements other than oxygen or nitrogen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2205/00—Venting means
    • B65D2205/02—Venting holes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Tires In General (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)

Description

imagen1
imagen2
Procedimientos generales para la preparación de mezclas de caucho y sus vulcanizados se describen, por ejemplo, en: “Rubber Technology Handbook”, W. Hofmann, Editorial Hanser 1994.
El tiempo de vulcanización a 165ºC se eleva a 16 minutos para los cuerpos de prueba en el Ejemplo 1, y para el mismo, en el Ejemplo 2, a 30 minutos.
Tabla 1
Sustancia
Cantidad (phr)
1ª etapa
Buna VSL 5025-1 Buna CB 24 Ultrasil VN3 ZnO Ácido esteárico Naftolen ZD Vulkanox 4020 Protector G35P Silano
96,0 30,0 80,0 3,0 2,0 10,0 1,5 1,0 de acuerdo con Ej. 1, 2
2ª etapa
Tanda de la primera etapa
3ª etapa
Tanda de la segunda etapa Perkacit TBZTD Vulkacit D Vulkacit CZ Azufre
0,2 2,0 1,5 1,5
En el caso del polímero VSL 5025-1 se trata de un copolímero SBR, polimerizado en disolución, de Bayer AG con un contenido en estireno de 25% en peso y un contenido en butadieno de 75% en peso. El butadieno está enlazado un 73% 1,2, un 10% cis 1,4 y un 17% trans 1,4. El copolímero contiene 37,5 phr de aceite y presenta una viscosidad
10 Mooney (ML 1+4/100ºC) de 50±5.
En el caso del polímero Buna CB 24 se trata de un polibutadieno cis 1,4 (tipo neodima) de Bayer AG con un contenido en cis 1,4 de 97%, un contenido en trans 1,4 de 2%, un contenido en 1,2 de 1% y una viscosidad Money entre 39 y 49.
El ácido silícico VN3 de Degussa AG posee una superficie BET de 175 m2/g. TESPD (bis-(3-[trietoxisilil]
15 propil)disulfano) del Ejemplo de referencia 1 se prepara de acuerdo con la patente D 195 414 04. El silano del Ejemplo 2, bis-(3-[dimetiletoxisilil]-propil)disulfano, se prepara según el estado de la técnica mediante hidrosililación de clorodimetilsilano con cloruro de alilo, seguida de etanolisis y azufrado de forma análoga al procedimiento indicado en la patente D 197 342 95 A1.
Como aceite aromático se utiliza Naftolen ZD de Chemetall. En el caso de Vulkanox 4020 se trata de PPD de Bayer
20 AG y el protector G35P es una cera protectora de ozono de HB-Fuller GMBH. Vulkacit D (DPG) y Vulkacit CZ (CBS) son productos comerciales de Bayer AG. Perkacit TBZTD es un producto comercial de Flexis S.A.
El análisis técnico de caucho se realiza de acuerdo con los métodos de análisis mencionados en la Tabla 2.
4
Tabla 2
Test físico
Norma/condiciones
ML 1+4, 100ºC
DIN 53523/3, ISO 667
Análisis vulcamétrico, 165ºC
DIN 53529/3, ISO 6502
Ensayo de tracción en anillo, 23ºC Resistencia a la tracción Valores de tensión Alargamiento a la rotura
DN 53505, ISO 37
Dureza Shore-A, 23ºC
DIN 53 505
Rebote de bola, 0, 23 y 60ºC
ASTM D 5308
Caract. viscoelast., 0 y 60ºC E* tan
DIN 53 513, ISO 2856
Fricción DIN, fuerza 10N
DIN 53 516
Dispersión
ISO/DIS 11345
Ejemplos 1 y 2:
La realización de los Ejemplos 1 (ejemplo comparativo) y 2 se efectúa según la prescripción general de ejecución.
5 A diferencia del ejemplo comparativo 1, con 5,8 phr de TESPD, se añaden a la mezcla 4,3 phr de bis-(3[dimetiletoxisilil]-propil)disulfano en el Ejemplo 2, lo cual corresponde a una dosificación equimolar. Se producen los siguientes datos técnicos de caucho para mezclas brutas y vulcanizados (Tabla 3):
Tabla 3
Mezcla bruta
Característica
Unidad Ej. 1 Ej.2
ML (1+4) (3ª etapa)
[ME] 69 74
MDR, 165ºC Dmax-Dmin t 10%
[dNm] [min] 14,1 2,4 13,8 3,1
Vulcanizado
Característica
Unidad Ej. 1 Ej.2
Ensayo de tracción en anillo Resistencia a la tracción Valor de tensión 100%
[MPa] [MPa] 16,3 1,5 17,1 1,6
5
Valor de tensión 30% Alargamiento a la rotura
[MPa] [%] 6,2 540 6,4 560
Dureza Shore-A
[SH] 60 59
Fricción-DIN
[mm3] 100 110
Rebote de bola (0ºC) Rebote de bola (23ºC) Rebote de bola (60ºC)
[%] [%] [%] 12,5 34,3 59,8 11,6 32 59,4
Análisis dinámicos Módulo din. E* (0ºC) Módulo din. E* (60ºC) Pérdida módulo tan (0ºC) Pérdida módulo tan (60ºC)
[MPa] [MPa] [-] [-] 16,7 7,3 0,444 0,143 17,1 7,3 0,476 0,131
Dispersión
[-] 6 6
Los datos de la Tabla 3 confirman que no se registra ningún empeoramiento de las características técnicas del caucho debido a la utilización del dimetiletoxisilano de acuerdo con la invención (Ej. 2), frente a la utilización del trietoxisilano según el estado de la técnica (Ej. 1). Es más, incluso se reconoce una ventaja por el descenso del valor de tan δ (60ºC), el cual se correlaciona con la resistencia al enrollamiento.
6

Claims (1)

  1. imagen1
ES00106928.5T 1999-04-03 2000-03-31 Mezclas de caucho Expired - Lifetime ES2224947T5 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19915281A DE19915281A1 (de) 1999-04-03 1999-04-03 Kautschukmischungen
DE19915281 1999-04-03

Publications (2)

Publication Number Publication Date
ES2224947T3 ES2224947T3 (es) 2005-03-16
ES2224947T5 true ES2224947T5 (es) 2018-02-27

Family

ID=7903528

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ES00106928.5T Expired - Lifetime ES2224947T5 (es) 1999-04-03 2000-03-31 Mezclas de caucho

Country Status (14)

Country Link
US (1) US6890981B1 (es)
EP (1) EP1043357B2 (es)
JP (1) JP4615088B2 (es)
KR (1) KR100686474B1 (es)
AT (1) ATE273344T1 (es)
BR (1) BR0001517A (es)
CA (1) CA2303559A1 (es)
DE (2) DE19915281A1 (es)
DK (1) DK1043357T3 (es)
ES (1) ES2224947T5 (es)
PL (1) PL201633B1 (es)
PT (1) PT1043357E (es)
TW (1) TW483914B (es)
ZA (1) ZA200001620B (es)

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EP1043357B2 (de) 2017-10-25
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DE50007337D1 (de) 2004-09-16
ZA200001620B (en) 2000-10-25
EP1043357B1 (de) 2004-08-11
PL339404A1 (en) 2000-10-09
JP2000313773A (ja) 2000-11-14
ATE273344T1 (de) 2004-08-15
DK1043357T3 (da) 2004-11-01
DE19915281A1 (de) 2000-10-05
KR100686474B1 (ko) 2007-02-26
KR20000071532A (ko) 2000-11-25
JP4615088B2 (ja) 2011-01-19
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EP1043357A1 (de) 2000-10-11
US6890981B1 (en) 2005-05-10
BR0001517A (pt) 2000-10-31

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