ISO 11667:1997 PDF

Fibre-reinforced plastics — Moulding compounds and prepregs — Determination of resin, reinforced-fibre and mineral-filler content — Dissolution methods

Название (английский):

ISO 11667:1997

Fibre-reinforced plastics — Moulding compounds and prepregs — Determination of resin, reinforced-fibre and mineral-filler content — Dissolution methods

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 12
Дата публикации:: 18 декабря 1997 г.
Издание:: ISO IS 11667 edition 1 version 1
ICS:: 83.120

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Технические детали

Технический комитет: ISO/TC 61/SC 13 - Composites and reinforcement fibres
SKU: ISO 11667:1997

Abstract

Overview

ISO 11667:1997 specifies laboratory dissolution methods to determine the resin, reinforcement‑fibre and mineral‑filler contents of fibre‑reinforced plastics used as moulding compounds and prepregs. It defines two solvent‑extraction procedures - Method A (Soxhlet extraction) as the reference technique and Method B (immersion in a beaker) for simpler, routine quality‑assurance testing. The standard applies to prepregs (yarns, rovings, tapes, fabrics) and to SMC, BMC and DMC moulding compounds.

Key topics and requirements

Two extraction methods
- Method A - Soxhlet extraction: reference method for disputes; uses a Soxhlet apparatus to ensure complete resin removal.
- Method B - Beaker immersion: simpler equipment for routine QA; may include ultrasonic assistance.
Solvents: Examples suitable for common resins include dichloromethane, acetone, methyl ethyl ketone (MEK) and denatured ethanol; selection must ensure complete resin extraction.
Specimen preparation & sampling: Test on two (or more) representative specimens; specimen masses typically 2–20 g; prepregs sampled ≥50 mm from fabric edges.
Drying and weighing: Dry to constant mass (oven ~105 °C) and use a precise balance (accuracy ~0.5 mg) - repeat drying/weighing until mass change

Overview

Key topics and requirements

Two extraction methods
- Method A - Soxhlet extraction: reference method for disputes; uses a Soxhlet apparatus to ensure complete resin removal.
- Method B - Beaker immersion: simpler equipment for routine QA; may include ultrasonic assistance.
Solvents: Examples suitable for common resins include dichloromethane, acetone, methyl ethyl ketone (MEK) and denatured ethanol; selection must ensure complete resin extraction.
Specimen preparation & sampling: Test on two (or more) representative specimens; specimen masses typically 2–20 g; prepregs sampled ≥50 mm from fabric edges.
Drying and weighing: Dry to constant mass (oven ~105 °C) and use a precise balance (accuracy ~0.5 mg) - repeat drying/weighing until mass change

ISO 11667:1997 PDF

Технические детали

Abstract

Overview

Key topics and requirements

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Abstract

Overview

Key topics and requirements

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