Polyurethane condom producing process

A manufacturing method and technology for condoms, which can be applied in coating and other directions, can solve problems such as low efficiency, and achieve the effects of complete process, high production efficiency and wide application range.
CN1218822CInactive Publication Date: 2005-09-14SICHUAN BOAO BIOLOGICAL MATERIAL
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SICHUAN BOAO BIOLOGICAL MATERIAL
Publication Date
2005-09-14
Estimated Expiration
Not applicable · inactive patent

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Abstract

The polyurethane condom producing process includes dissolving polyurethane grains in organic solvent, filtering, soaking mold after being treated specially in the solution to form, drying, rolling hem, powdering, demolding and other steps. The polyurethane condom product has excellent performance and the process is complete, easy to roll hem and demold and high in production efficiency.
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Description

1. Technical field

[0001] The invention belongs to the technical field of producing polyurethane condoms, and in particular relates to a method for continuously manufacturing various polyurethane condoms by dipping and molding. 2. Background technology

[0002] To manufacture condoms with polyurethane material, there are many methods disclosed in the prior art, such as the disclosed vacuum forming method of USP4,576,156, the stretching and pressing forming method disclosed by USP5,601,092, the thermoplastic sealing molding method disclosed by USP5,833,915, and USP5,469,863 And USP5,571,567, USP6,217,815, USP6,231,326 and the dip molding method disclosed in CN1304944A. For the dip molding method, USP5,571,567 describes a formula and process for producing polyurethane gloves and condoms, in which various additives are used to improve the performance of dipped products, but the effect is not obvious, and the boiling point of the additives used is too high. It is difficult to r...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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