【文獻(xiàn)標(biāo)題】Flexible and stretchable polyurethane/waterglass grouting material

【作者】Zhengpeng Yang，Xuefeng Zhang，Xuan Liu，et.al

【作者單位】河南工業(yè)大學(xué)（Henan Polytechnic University）

【文獻(xiàn)中引用產(chǎn)品】

引發(fā)劑（2,20-偶氮[2-（2-咪唑啉-2-基）丙烷]）

【關(guān)鍵詞】Grouting material，Polyurethane，Waterglass，F(xiàn)lexibility，Stretchability

【DOI】http://dx.doi.org/10.1016/j.conbuildmat.2017.01.113

【影響因子(IF)】5.08

【出版期刊】《Construction and Building Materials》

【產(chǎn)品原文引用】

2.1. Materials

The prepolymer (16.7 wt% NCO, 420 mPa·s) was purchased from Shanghai Hecheng Polymer Science and Technology Co., Ltd.Waterglass (Na₂O·nSiO₂·mH₂O, modulus 2.3) was supplied by Zhengzhou Jiankete Engineering Materials Co., Ltd. N-Methylol acrylamide was purchased from Tianjin Tianfu Chemical Industry Co., Ltd. Butenediol was supplied by Zhejiang Jinjinle Chemical Industry Co., Ltd. Initiator (2,2′-azobis[2-(2-imidazolin-2-yl)propane]) was purchased from Shanghai Hengyuan Biological Technology Co., Ltd. Emulgator (OP-9, 93 mg KOH/g) was obtained from Shanghai Sinopharm Chemical Reagent Co., Ltd. Catalyst (DMDEE)was supplied by Shanghai Rongrong Chemical Co., Ltd. All other chemicals were of analytical grade and purchased from Shanghai Sinopharm Chemical Reagent Co., Ltd. The main parameters of the above materials were tabulated in Table 1. 

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