ارزیابی استفاده از مواد باز دارنده آتش و کاربرد آن درمقاوم به شعله کاغذ های بسته بندی

نوع مقاله : ترویجی

نویسندگان

1 دانشگاه علوم کشاورزی و منابع طبیعی ساری /کارشناس آزمایشگاه

2 دانشیارگروه علوم ومهندسی کاغذ‌‌_ دانشکده مهندسی چوب و کاغذ ، دانشگاه علوم کشاورزی و منابع طبیعی‌گرگان

چکیده

سلولز یک پلی ساکارید متشکل از گلوکز است که معمولاً با همی سلولز، پکتین و لیگنین ترکیب می‌شود. این مواد آلی بسیار قابل اشتعال هستند، بنابراین کاغذهای سنتی بسیار قابل اشتعال هستند و به راحتی می‌سوزند. هدف این تحقیق معرفی جامع استفاده از مواد شیمیایی بازدارنده آتش از جمله بوراکس (BX)، اسید بوریک (BA)، آلفا ایکسalpha-x (AX)  و آمونیوم پلی فسفات (APP) به‌عنوان مواد بازدارنده آتش5 (FR) می‌باشد. استفاده از این ترکیبات می‌تواند موجب افزایش باقیمانده یا زغال شده و به‌عنوان یک مانع حرارتی برای محافظت از مواد در برابر گرمای خارجی و جلوگیری از احتراق بیشتر عمل کند. FR دارای نقطه ذوب نسبتاً پایینی است و لایه‌های شیشه‌ای تشکیل می‌دهد. بازدارنده‌های شعله حاوی فسفر و نیتروژن، مقاومت در برابر اشتعال بسیار خوبی از خود نشان می‌دهند، زیرا فسفر باعث تسریع تشکیل سد زغالی در برابر احتراق می‌شود و نیتروژن می‌تواند اثر رقیق‌کننده آمونیاک را افزایش دهد. وجود یک بازدارنده شعله به‌طور کلی بر روند تخریب حرارتی سلولز با افزایش کل زغال باقی‌مانده تأثیر می‌گذارد. بازدارنده‌های هالوژن و بازدارنده‌های آتش به‌طور تجاری برای بهبود خواص واکنش به آتش عایق حرارتی استفاده می‌شوند. در مقایسه با اولی، دومی سازگارتر با محیط‌زیست و ایمن‌تر است، زیرا هیچ گاز سمی در طی احتراق آن تولید نمی‌شود.

کلیدواژه‌ها

موضوعات

عنوان مقاله [English]

Evaluation of the use of fire retardants and its application in flame retardant packaging papers

نویسندگان [English]

  • soleiman zaheri 1
  • ALI Ghasemian 2
1 Sari Agricultural Sciences and Natural Resoures University Faculty of Natural Resources
2 Associate Professor, Department of Paper Science and Engineering, Faculty of Wood and Paper Engineering, Gorgan University of Agricultural Sciences and Natural Resources
چکیده [English]

Cellulose is a polysaccharide composed of glucose that is usually combined with hemicellulose, pectin and lignin. These organic materials are highly flammable, so traditional papers are highly flammable and burn easily. The aim of this study was to comprehensively introduce the use of fire retardant chemicals including borax (BX), boric acid (BA), alpha-x (AX) and ammonium polyphosphate (APP) as a fire retardant Used. The use of these compounds can increase the residue or charcoal and act as a thermal barrier to protect the material from external heat and prevent further combustion. FR has a relatively low melting point and forms glassy layers. Flame retardants containing phosphorus and nitrogen show excellent ignition resistance, as phosphorus accelerates the formation of a coal barrier against combustion, and nitrogen can enhance the diluting effect of ammonia. The presence of a flame retardant generally affects the process of thermal degradation of cellulose by increasing the total residual coal. Halogen and fire retardants are used commercially to improve the thermal insulation properties of fire retardants. Compared to the former, the latter is more environmentally friendly and safer because no toxic gases are produced during combustion.

کلیدواژه‌ها [English]

  • cellulose
  • fire retardants
  • fire resistant paper

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علوم و فنون بسته‌بندی
دوره 12، شماره 47
آذر 1400
صفحه 9-16

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سابقه مقاله

  • تاریخ دریافت: 15 دی 1400
  • تاریخ بازنگری: 05 بهمن 1400
  • تاریخ پذیرش: 08 اسفند 1400

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