Patent ID: 11865774
Assignee: K.L. CHEMICALS CO., LTD.
Field: Other special machines (Mechanical engineering)
Classification: CPC B | IPC B

Claim 7:
8. A method for producing a binder for additive manufacturing, comprising the following steps:
stirring 1350-1650 parts by weight of furfuryl alcohol, 2-5 parts by weight of an acid catalyst, 120-180 parts by weight of a phenolic compound, and 60-90 parts by weight of polyoxymethylene to form a mixture of a binder, heating up to 120-150° C. and reacting for 1-2 h, then dehydrating at 85° C. or below, cooling down to 45° C. or below, and adding 5-10 parts by weight of a coupling agent, to obtain the binder.