| Study on Properties of XNBRL/XSBRL Blend Latex |
| Received:March 10, 2022 Revised:March 10, 2022 |
| DOI：10.12136/j.issn.1000-890X.2023.07.0510 |
| Key Words: XNBRL；XSBRL；blend latex；vulcanized film；compatibility |
| Author Name | Affiliation | E-mail | | CHI Tingting | Qingdao University of Science and Technology | 1165657837@qq.com | | WU Mingsheng* | Qingdao University of Science and Technology | 1165657837@qq.com |
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| Abstract: |
| The properties of carboxylated nitrile butadiene latex（XNBRL）/carboxylated styrene-butadiene latex（XSBRL） blend films with different blending ratios were studied and the compatibility of the blend latexes was investigated.The results showed that，when the blending ratio of XNBRL/XSBRL was 90/10，the t90 of XNBRL/XSBRL blend film was the shortest，the crosslinking density of the blend vulcanized film was higher，the tensile strength was the largest（33.8 MPa），and the swelling index was the smallest（2.10）.The viscosity of XNBRL/XSBRL blend latex was slightly larger than that of XNBRL.With the increase of the amount of XSBRL，the mechanical stability of XNBRL/XSBRL blend latex was becoming worse，but the change was not large.Both XNBRL vulcanized film and XNBRL/XSBRL blend vulcanized film had only one glass transition temperature， and XNBRL/XSBRL blend latex was a homogeneous system，indicating that XNBRL and XSBRL had good compatibility.The XNBRL phase and XSBRL phase of XNBRL/XSBRL blend vulcanized film were connected through chemical bonds，resulting in a co-crosslinked structure. |
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