Reactions of Hydroxyl Containing Polymers with Polyanhydrides

This reaction is not commonly used in the formation of a film for surface coating applications.

Reactions of Hydroxyl Containing Polymers with Polyanhydrides

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image32

Polymer backbone Acrylic polymer backbone АЛЛА/

Figure 1-36

This reaction requires acid catalysis and normally utilises high stoving temperatures, (v) Reactions of Hydroxyl Containing Polymers with Carboxyl Groups

 

Reactions of Hydroxyl Containing Polymers with Polyanhydrides

image33

Acrylic polymer backbone /WW

 

+ н2о

 

Polymer backbone

 

Reactions of Hydroxyl Containing Polymers with Polyanhydrides

Figure 1-37

(vi)

Подпись: OH + Reactions of Hydroxyl Containing Polymers with Polyanhydrides image35,image36
image34

Reaction of Carboxyl Containing Polymers with Epoxy Groups

Polymer backbone mmm Acrylic polymer backbone

Figure 1-38

Temperatures of 120-150°C and the presence of a base, to act as a catalyst, are required to bring about the reaction.

In the presence of base catalysts, such as amines, a ring opening reaction can occur.

^c-

Подпись: о -Подпись: CH2 — CHimage37Подпись: OH

Reactions of Hydroxyl Containing Polymers with Polyanhydrides
image38
Подпись: 1

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0

Acrylic polymer backbone /A/W Polymer backbone тшжтіт

Figure 1-39

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