1.natural condensation polymers include__________,___________andnatural condensation polyesters include_____________.2.synthetic condensation polymers are_____________and____________.
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1.natural condensation polymers include__________,___________andnatural condensation polyesters include_____________.2.synthetic condensation polymers are_____________and____________.
1.natural condensation polymers include__________,___________andnatural condensation polyesters include_____________.
2.synthetic condensation polymers are_____________and____________.
1.natural condensation polymers include__________,___________andnatural condensation polyesters include_____________.2.synthetic condensation polymers are_____________and____________.
1. natural condensation polymers include Proteins, Carbohydrates
and natural condensation polyesters include cutin of plant cuticles
2. synthetic condensation polymers are nylon and polyethylene terephthalate (PET)
自然冷凝聚合物包含 黄铜、紫铜、不锈钢
非自然冷凝聚合物包含碳钢管基聚四氟乙烯
合成液化聚合物是 甲苯 和硝化