Under the action of light, heat and oxygen, somemain chains and side benzene groups of these polymers were broken off. A littleacetophenone structures appeared, and made the materials coloured.
在光、热、氧的作用下，这些聚合物的部分主链与侧苯基断裂，有少量苯乙酮结构生成，导致材料变色。
The silicone polymers, with an inorganic backbone of silicon and oxygen atoms and organic side groups, are among the most important mixed organic-inorganic compounds.
带有由硅和氧原子组成的无机支柱以及有机侧面基团的硅树脂是最重要的有机-无机混合型化合物。
Lignin: Complex oxygen-containing organic compound, a mixture of polymers of poorly known structure.
木质素：一种复杂的含氧有机物，是结构尚不清楚的多种聚合物的混合物。
Lignin: Complex oxygen-containing organic compound, a mixture of polymers of poorly known structure.
木质素：一种复杂的含氧有机物，是结构尚不清楚的多种聚合物的混合物。
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