D. Polime diing de san xuat to phai cd mach cacbon khong nhanh, xep song song, khong dgc, cd kha nang nhugm mau, mem dai.
HS nhdm 2 thao luan va diln thong tin vao bang duoi sy huong dan, dieu khiln cua GV cho kit qua
cua GV cho kit qua
Khai niem Cong thiic phan tur Tinh chat hoa hpc Ung dung Amin
Amin la hgp chit huu ca CO the coi nhu dugc tao nen khi thay thi mot hay nhieu nguyen tir H trong phan tir NH3 bang goc hidrocacbon
CH3NH2 CH3-NH2-CH3 N(CH3)3 C6H5NH2 anilin - Tinh baza NH3 + H2O ^^==^ [NH4]* + OH' R-NH2 + HCl -> R-NH3^Cr
- Nguyen lieu de tong hgp polime
- Anilin la nguyen lieu trong cong nghiep pham nhupm.
Amino
Amino axit la hgp chit huu ca tap chirc, phan tir chiia dong thai nhom amino NH2 va nhom cacboxyl COOH H2N-CH2-COOH Glyxin CH3-CH-COOH NH2
- Tinh chat luong tinh H2NCH2COOH +HC1
-^ CIH3N-CH2-COOH
H2NCH2COOH +NaOH ->H2NCH2COONa+H20 - Phan ling este hoa - Phan irng trimg ngung - La ca sd kien tao nen protein cua ca the song. - Lam gia v i , thuoc. - Nguyen, lieu tong hgp polime.
Peptit va protein
- Peptit la hgp chit chiia tir 2-50 goc a-amino axit lien ket vdi nhau bai cac lien ket peptit
-ff-y-0 H 0 H
- Protein la loai polipeptit cao phan tu CO phan tur khoi tir vai chuc nghin den vai trieu
- Phan irng thuy phan
- Phan img mau biure
- La thiic an v6 cimg quan trpng - La enzim trong cat phan ling hoa hpc, qua trinh sinh truang cua dong, thuc vat.
Hogt dgng 4
POLIME VA VAT LIEU POLIME
Hogt dgng cua GV
GV treo bang 4 de tring cac thong tin yeu cau HS nhdm 4 thao luan diln cac thong tin vao bang
GV luu y HS neu khai niem cua cac phuang phap dieu che polime va vat lieu polime
Hogt dgng cua HS
Bang 4
Khai niem Tinh chat hoa hpc Dieu che
Polime Vdt li^u Polime