五月的婷婷综合视频,五月的婷婷综合视频,美女日逼视频免费观看,狠狠干狠狠日狠狠爱,不卡视频一二三区免费视频,亚洲中文自拍另类在线,99久久99久久免费精品十八禁,97caopen视频,日本免费一曲二曲三曲

Product name:4,4'-Methylenebis(2,6-Diethylaniline),MDEA

Molecular formula: C21H30N2

Molecular weight: 310.49

CAS: 13680-35-8

Product appearance: off-white powder or granules

Physical characteristics

Melting point: 87-89 ℃

Content: ≥99.0%

Application

It is an excellent polyurethane (PU) chain extender and epoxy resin (EP) curing agent. Can improve the mechanical and dynamic properties of products. In addition, it can also be used as the lead compound of polyimide and the intermediate of organic synthesis. In the PU field, M-CDEA is suitable for casting elastomers (CPU), RIM elastomers and sprayed polyureas, adhesives, elastomer foams and thermoplastic polyurethanes (TPU). The EP field is suitable for processing, prepreg and chemical anticorrosive coatings. It can also be used as an organic synthesis intermediate and polyurea resin curing agent.

4,4'-Methylenebis(2,6-Diethylaniline),MDEA Packing: 25kg / drum