Gypsum base material system for 3-D spraying binding and preparing method therefor

Abstract

The invention relates to a plaster base material system for 3D spray bonding fast forming technique, comprising composite base material and auxiliary bonder, where the composite base material is mixed uniformly of plaster powder, bonder, accelerator anhydrous calcium sulphate, dispersant, white carbon black, and intensifier; and the bonder is mixed of water base polyurethane glue, phenol resin, nonionic surface active agent, and alcohol cosolvent, dissolving in deionized water. And the composite base material and auxiliary bonder can completely meet use requirements.

Description

Technical field

[0001] The present invention relates to rapid prototyping technology, specifically, the present invention relates to a kind of material system that is used for three-dimensional spraying and bonding rapid prototyping technology, comprises base material and the adhesive agent that is matched with this base material, especially the base material based on gypsum and The matching adhesive material system. Background technique

[0002] The three-dimensional printing (Three Dimensional Printing, 3DP) rapid prototyping technology first proposed by the Massachusetts Institute of Technology Sachs et al. (US patent 5204055) is currently the most viable technology in the rapid prototyping industry. It has unprecedented advantages in traditional manufacturing. High processing flexibility, no need for various tools of traditional powder processing, and not limited by any geometric shape. Since the spraying position, spraying times, and spraying speed can be controlled at...