b\u0103ng d\u00ednh gi\u1ea5y<\/a><\/span> c\u00f3 th\u1ec3 d\u00ednh v\u00e0o \u0111\u1ed3 v\u1eadt? T\u1ea5t nhi\u00ean, \u0111\u00f3 l\u00e0 v\u00ec n\u00f3 \u0111\u01b0\u1ee3c ph\u1ee7 m\u1ed9t l\u1edbp keo tr\u00ean b\u1ec1 m\u1eb7t! C\u00e1c ch\u1ea5t k\u1ebft d\u00ednh s\u1edbm nh\u1ea5t \u0111\u1ebfn t\u1eeb \u0111\u1ed9ng v\u1eadt v\u00e0 th\u1ef1c v\u1eadt.Trong th\u1ebf k\u1ef7 19, cao su l\u00e0 th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ee7a ch\u1ea5t k\u1ebft d\u00ednh; trong th\u1eddi hi\u1ec7n \u0111\u1ea1i, nhi\u1ec1u lo\u1ea1i polyme kh\u00e1c nhau \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i. <\/span><\/p>\nCh\u1ea5t k\u1ebft d\u00ednh c\u00f3 th\u1ec3 d\u00ednh v\u00e0o v\u1eadt l\u00e0 do s\u1ef1 h\u00ecnh th\u00e0nh li\u00ean k\u1ebft gi\u1eefa c\u00e1c ph\u00e2n t\u1eed c\u1ee7a ch\u00ednh ch\u00fang v\u00e0 c\u00e1c ph\u00e2n t\u1eed c\u1ee7a v\u1eadt \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i, v\u00e0 li\u00ean k\u1ebft n\u00e0y c\u00f3 th\u1ec3 li\u00ean k\u1ebft ch\u1eb7t ch\u1ebd c\u00e1c ph\u00e2n t\u1eed l\u1ea1i v\u1edbi nhau. Th\u00e0nh ph\u1ea7n c\u1ee7a ch\u1ea5t k\u1ebft d\u00ednh, theo c\u00e1c nh\u00e3n hi\u1ec7u kh\u00e1c nhau, c\u00e1c lo\u1ea1i kh\u00e1c nhau, c\u00f3 nhi\u1ec1u lo\u1ea1i polyme kh\u00e1c nhau.<\/span><\/p>\n