نتایج جستجو برای: melamine formaldehyde

تعداد نتایج: 12298  

2013
Kenny Vanreppelen Sonja Schreurs Tom Kuppens Theo Thewys Robert Carleer Jan Yperman

One of the top strategic objectives and research areas in Europe is recovering wood from processing and end of life products. However, there are still several ‘contaminated’ wood products that are not or only partly reused/recycled. Particle board waste which is contaminated with aminoplasts is one of these products. In addition, a considerable amount of aminoplast waste resinis produced for th...

2015
Emilia Adamowicz

Microencapsulation of substances applied on textiles is a relatively new method with many advantages applied in many different fi elds. There are many effective approaches to microencapsulation for decreasing release of fragrances and active substances such as essential oils and cosmetic ingredients using cyclodextrins, yeast cells, chitosans, melamine-formaldehyde or poly(L-lactide) as wall ma...

Journal: :Journal of animal science 2011
C W Cruywagen W F J van de Vyver M A Stander

Eight Döhne Merino rams were used to quantify apparent absorption, distribution to tissues, and excretion of dietary melamine in sheep. Two batches of concentrate pellets were made; one (CON) contained corn gluten meal with no detectable melamine and the other (MEL) contained corn gluten meal that was previously found to be highly contaminated with melamine at 15,117 mg/kg. The MEL pellets cont...

Journal: :Toxicology 2011
Jiajia Yang Lei An Yang Yao Zhuo Yang Tao Zhang

The scandal of melamine-contamination has not been quite blown out, since the toxicity of melamine continues to raise concerns for public health. It has been well known that fetus and infant periods play the most important roles in brain development, whereas little has been done on the harmful effects of melamine on the center nervous system (CNS) of children. In the present study, we investiga...

Journal: :Construction and Building Materials 2021

This paper describes novel experiments to identify the reduction in compressive strength of cross-laminated timber (CLT) at elevated temperatures. The adhesive type and number plies was varied between CLT samples allow an assessment ‘system’, rather than only. Samples were subjected steady state transient heating conditions their ultimate load bearing capacities measured. At ambient reference t...

Journal: :Construction and Building Materials 2022

The current understanding of the thermo-mechanical response cross-laminated timber (CLT) walls to fire is insufficiently developed. This paper presents results obtained using a novel experimental methodology on fire-exposed CLT under sustained loads. findings demonstrate that global instability likely be dominant failure mode for in fire. Use polyurethane adhesive resulted earlier structural th...

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