نتایج جستجو برای: recycled paper strength

تعداد نتایج: 1916737  

Journal: :جنگل و فرآورده های چوب 0
خسرو حسینیان کارشناس ارشد علوم و صنایع چوب و کاغذ دانشکدة منابع طبیعی دانشگاه تربیت مدرس نور، ایران مهدی رحمانی نیا استادیار گروه علوم و صنایع چوب و کاغذ دانشکدة منابع طبیعی دانشگاه تربیت مدرس نور، ایران امیر خسروانی استادیار گروه علوم و صنایع چوب و کاغذ دانشکدة منابع طبیعی دانشگاه تربیت مدرس نور، ایران

to compensate for some inferior properties of recycled papers, application of processing chemical aids such as chitosan can be quite effective in the wet end section of papermaking. in this study, the performance of chitosan biopolymer, individually or associated with nanobentonite was investigated as wet end additive on recycling process of white cuttings. for this purpose, the performance of ...

Journal: :علوم و تکنولوژی پلیمر 0
مجید چهارمحالی سعید کاظمی نجفی مهدی تجویدی

in this study, the possibility of producing wood-plastic panels was studied using two different blending methods including melt blend and dry blend. wood-plastic panels were made from recycled high density polyethylene (as resin) and mdf waste (as natural fiber) at 60, 70 and 80% by weight filler loading. nominal density and dimensions of the panels were 1g/cm3 and 35×35×1 cm, respectively. the...

2013
Awanish Kumar Shukla

In this Era of globalization when GDP of most of the countries are spending on an average 8% of the economy on infrastructure and when we see around us about the term infrastructure mostly we see the huge contribution of concrete in it; in addition to this three important terms are named as “Quality, Quantity and Economy”. There is a deadly race among the nations of various parts of the globe t...

2014
Mukesh Kumar Amit Maheshwari Rajeev Lall Pragati Navit Rajeshwar Singh S Navit

BACKGROUND Debonding of brackets commonly occurs during orthodontic treatment. Due to increase in costs replacement of a damaged bracket is not liked by the dentist. This study is done to assess the shear bond strength of recycled brackets using different methods. MATERIALS AND METHODS This study was conducted using five groups of orthodontic brackets (0.022" × 0.028", MBT prescription) bonde...

2013
V Muthukrishnan

The experimental study deals with Hybrid fibre reinforced concrete with the use of (Polypropylene and Recycled polyethylene terephthalate RPET). The M40 grade concrete used was designed by using IS10262-2009 code. The steel fibre and synthetic fibre were added at the volume fractions up to 0.5%. Test results showed that the fibres, when used in a hybrid form, could result in superior composite ...

Journal: :International Journal for Research in Applied Science and Engineering Technology 2018

Journal: :International Journal of Research in Engineering and Technology 2017

Journal: :JAPAN TAPPI JOURNAL 1971

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