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Qog'oz va kartonni polipropilen plyonka bilan yelim eritmasi yordamida laminatsiyalash

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O_TJ.2024.02.17_5384df0f.pdf

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MAQOLA ANNOTATSIYASI

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Laminatsiyalash bosma mahsulotlarining tashqi ko'rinishini yaxshilash, yemirilishini kamaytirish va xizmat muddatini oshirish uchun qog'ozning yuzasiga yupqa polimer himoya pardasini qoplash jarayoni hisoblanadi. Pardani qog'ozning yuzasi bilan bog'lash uchun yelim-eritma yoki qorishmadan foydalaniladi. Mazkur tadqiqotda qog'oz va polimer plyonkaning yuzasi orasida adgezion mustahkamlikni oshirish maqsadida yelim-eritma yordamida qog'ozni polipropilen plyonkasi bilan laminatsiyalash amalga oshirilgan. Yelim sifatida sanoat polimerlari – metakril kislotasi poliefirlari, polistirol, polixloropren va etilenning vinilatsetat bilan sopolimeri (EVA) sinovdan o'tkazilgan. Polimer yelim eritmasi, qorishmadan farqli ravishda, qog'ozning mikrog'ovakliklariga kirib boradi va polimer plyonkaning qog'ozning yuzasi bilan mustahkam birikishini ta'minlaydi. EVA sopolimeridan foydalanishda laminatsiyalangan qog'ozning qatlamlari orasida adgezion mustahkamlikning eng yuqori bo'lishi aniqlandi. Adgezion mustahkamlikning yelim-eritmaning konsentratsiyasiga bog'liqligi aniqlangan, laminatsiyalangan qog'ozning ba'zi fizik-mexanik xossalari aniqlangan. Polipropilen, EVA sopolimeri va laminatsiyalangan qog'ozning IQ-Furye spektroskopik tadqiqotlari laminatsiyalash jarayonida ular orasida o'zaro kimyoviy ta'sirlashuv mavjud emasligini ko'rsatdi. SEM yordamida morfologiyasi tadqiq qilindi va laminatsiyalangan qog'oz ko'ndalang kesimining strukturasi aniqlandi.

MUALLIFLAR

Ф.Тураев

TOSHKENT TO'QIMACHILIK VA YENGIL SANOAT INSTITUTI

Teglar

# polipropilen# adgeziya# laminatsiyalangan qog'oz# yelim eritmasi# etilen-vinilatsetat sopolimeri

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