Continuous process for producing a reactive polymer

1. A process for continuously preparing a reactive polymer, the process comprising:

reacting a mixture (A) comprising one or more compounds having structure (A1)

wherein R 1 =alkyl or phenyl group,

R 2 , R 3 , R n =hydrogen or alkyl group, and

n=0, 1, 2, or 3;

or

one or more compounds having structure (A2)

wherein A=alkylene or phenylene,

R 4 , R 5 , R 6 , R 7 , R m , R o =hydrogen or alkyl group, and

m, o=0, 1, 2, or 3;

or

mixtures of one or more compounds having the structure (A1) and (A2),

wherein R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R n , R m , and R o can be identical or different and substituted or unsubstituted,

A can be substituted or unsubstituted, and

m and o can be identical or different,

with phenolic resins (B),

in an extruder, flow tube, intensive kneader, intensive mixer, or static mixer, by mixing and reaction with introduction of heat, and

subsequently isolating an end product,

wherein a residence time of starting materials, which are mixture (A) and phenolic resin (B), in the extruder, flow tube, intensive kneader, intensive mixer, or static mixer, is from 3 seconds to 15 minutes, and

reactants are reacted at a temperature of from 150° C. to 200° C., and then rapid cooling is carried out, with the temperature decreasing by more than 50° C. within less than 60 seconds.

2. The process according to claim 1 , wherein the residence time of the starting materials in the extruder, flow tube, intensive kneader, intensive mixer, or static mixer, is from 3 seconds to 5 minutes.

3. The process according to claim 1 , wherein the reacting is carried out in the extruder and the extruder is a twin-screw extruder.

4. The process according to claim 1 , wherein the mixture (A) consists of 100% by weight of the one or more compounds having the structure (A2).

5. The process according to claim 1 , wherein the mixture (A) comprises compounds having the structure (A2), in which m≠o within a single compound (A2u), and/or compounds having the structure (A2), in which m=o within a single compound (A2g).

6. The process according to claim 5 , wherein the mixture (A) comprises both compounds having the structure (A2), in which m and o=1 within a single compound (A2g6), and compounds having the structure (A2), in which m and o=0 within a single compound (A2g5).

7. The process according to claim 6 , wherein mixture (A) comprises

from 30 to 70% by weight of compounds of structure (A2g6) and

from 70 to 30% by weight of compounds of structure (A2g5).

8. The process according to claim 1 , wherein at least one derivative of 2,2,6,6-tetramethylpiperidin-4-one is added as stabilizer in the reacting.

9. The process according to claim 8 , wherein the at least one derivative has a structure:

wherein R VII =hydrogen, alkyl, or alkoxy group, or

wherein

and

q=2 to 10,

or

wherein R VIII =hydrogen or alkyl group.

10. The process according to claim 8 , wherein the at least one derivative is a polymer-bound HALS.

11. The process according to claim 8 , wherein the at least one derivative is present in an amount of from 0.1 to 2% by weight based on the starting materials, mixture (A) and phenolic resin (B).

12. The process according to claim 1 , wherein at least one antioxidant having structure (6)

wherein R a , R b , R c =hydrogen, alkyl, alkylaryl, or cycloalkyl group, an R a , R b , R c can be identical or different and substituted or unsubstituted, added in the reacting.

13. The process according to claim 1 , wherein at least one antioxidant having structure (7),

wherein p=1 to 5,

is added in the reacting.

14. The process according to claim 1 , wherein at least one deaerator is added to the starting materials, mixture (A) and phenolic resin (B), in the reacting.

15. The process according to claim 14 , wherein the at least one deaerator is selected from the group consisting of silicone oil, a silicone-modified polyglycol, a polyether, foam-destroying polysiloxane, a foam destroying polymer, and a polyether-modified polymethylalkylsiloxane.

16. The process according to claim 1 , wherein at least one mold release agent is added to the starting materials, mixture (A) and phenolic resin (B), in the reacting.

17. The process according to claim 4 , wherein m and o are 0 or 1.

18. The process according to claim 2 , wherein the reacting is carried out in the extruder and the extruder is a twin-screw extruder.

19. The process according to claim 2 , wherein the mixture (A) consists of 100% by weight of the one or more compounds having the structure (A2).

20. The process according to claim 3 , wherein the mixture (A) consists of 100% by weight of the one or more compounds having the structure (A2).