Tsinghua University

Wanhua Chemical Group Co., Ltd.

Wanhua Chemical (ningbo) Co., Ltd.

Beijing Sunbio Biotech Co. Ltd.

Wanhua Chemical (beijing) Co., Ltd.

Peng Wei

Yi Zhao

Jun Hong Zhao

Yong Qiu

Chen Shen

Yudi Gao

Bing Zhu

Shifang Yang

Deqiang Zhang

Liduo Wang

Junsheng Cui

The present invention discloses a viscoelastic sound-absorbing polyurethane foam and a method for preparing the same, the foam being prepared by reacting a polyisocyanate composition and an isocyanate reactive component. The isocyanate reactive component comprises, based on the weight of mixed polyethers, 30-80 wt % of (bii) a copolyol of epoxypropane-epoxyethane, or a conjugate thereof, wherein the content of oxy-ethylidene unit is 5-35 wt %; 2-20 wt % of (biii) a copolyol of epoxypropane-epoxyethane, or a conjugate thereof, wherein the content of oxy-ethylidene unit is 70-100 wt %; and 20-70 wt % of (biv) a copolyol of epoxypropane-epoxyethane, or a conjugate thereof, wherein the content of oxy-ethylidene unit is 0-20 wt %. The sound-absorbing foam of the present invention has a ball rebound rate of 15-30% and good sound absorption performance.

Viscoelastic sound-absorbing polyurethane foam and preparation method thereof

Provided is a fusion protein comprising circularly permuted form of TRAIL, and the fusion protein contains circularly permuted form of TRAIL and oligopeptides located at the N-terminus and/or C-terminus of the permuted form. The oligopeptides contain a repeating sequence consisting of 3-10 histidines. The components of the circularly permuted form of TRAIL from N-terminus to C-terminus are: (a) amino acids 135-281 of TRAIL, (b) a linker, and (c) amino acids 121-135 of TRAIL or amino acids 114-135 of TRAIL or amino acids 95-135 of TRAIL or any fragments of amino acids 95-135 of TRAIL containing amino acids 121-135 of TRAIL. Also provided is a method for treating cancer by using the fusion protein.

Fusion protein comprising circularly permuted form of trail/Apo2L, coding gene and use thereof

An organic light-emitting device including a transparent substrate, a first electrode layer, a second electrode layer, a hole-transporting layer, and a electron-transporting layer sandwiched between the first and second electrode layers, wherein the hole-transporting layer consists of organic multiple-quantum-well structure. The multiple-quantum-well structure has a period number of alternating layers formed of a layer of organic material A with wide energy gap and a layer of organic material B with narrow energy gap. Organic material A and organic material B are selected such that the highest occupied molecular orbital (HOMO) levels of organic material A are lower than those of organic material B and the lowest unoccupied molecular orbital (LUMO) levels of organic material A are higher than those of organic material B.

Organic light-emitting devices

Growing community of inventors

Beijing, China

Peng Wei