What doesn‚Äö√Ñ√∂‚àö√ë‚àö¬•t favor the strengthening of polymers?$

Addition of bulky side groups in the chain

Addition of polar groups in the chain

What doesn‚Äö√Ñ√∂‚àö√ë‚àö¬•t favor the streng

1.	What doesn‚Äö√Ñ√∂‚àö√ë‚àö¬•t favor the strengthening of polymers?$
A.	Addition of glass fibers
B.	Addition of polar groups in the chain
C.	Addition of plasticizers
D.	Addition of bulky side groups in the chain
Answer» D. Addition of bulky side groups in the chain