A kind of co-extruded film for peritoneal dialysis fluid bag and preparation method thereof

A technology of peritoneal dialysis and co-extrusion membrane, which is applied in the field of co-extrusion membrane for peritoneal dialysis fluid bag and its preparation, which can solve the problem of migration, enter the human body with liquid medicine or blood, and is not resistant to 135°C high-temperature steam sterilization, welding heat sealing Single method and other problems, to achieve the effect of facilitating deterioration, ensuring the safety of medication, and less migration and precipitates

CN106273957BActive Publication Date: 2019-02-01湖北恒泰橡塑有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Publication Date
2019-02-01

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Abstract

The invention discloses a co-extruded film for aperitoneal dialysis solution bag and a method for preparing the same. The co-extruded film for theperitoneal dialysis solution bag comprises a heat sealing layer A, an inner bonding layer B, a structural layer C, an outer bonding layer D and an outer layer E which are sequentially arranged from inside to outside; the material of the heat sealing layer A is mixed resin consisting of modified polypropylene (PP) and ethylene-octene copolymer (POE),the material of the inner bonding layer B is ethylene-vinyl acetate (EVA),the material of the structural layer C is polyethylene (PE), the material of the outer bonding layer D is mixed resin consisting of ethylene-vinyl acetate copolymer (EVA) and ethylene-methyl acrylate copolymer (EMA), and the material of the outer layer E is modified polypropylene (PP). The co-extruded film for theperitoneal dialysis solution bag provided by the invention has excellent comprehensive performance and the manufacturing cost is low.
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Description

technical field

[0001] The invention relates to the field of new materials for medical packaging, in particular to a co-extrusion film for a peritoneal dialysis fluid bag and a preparation method thereof. Background technique

[0002] Peritoneal dialysis solution was originally packaged in a single bag, and later the "O-set" system and "double-packed double-bag" system gradually appeared. The continuous improvement of packaging has brought about a significant decrease in the incidence of peritonitis and significantly improved the survival rate of peritoneal dialysis patients. The number of peritoneal dialysis patients is also increasing year by year. For more than ten years, the "double-pack double-bag" peritoneal dialysis solution has become the first choice for clinical peritoneal dialysis solution packaging system because of its advantages of easy operation by medical staff and patients, safe and reliable performance, and beneficial to reduce the risk of infection. [00...

Examples

Embodiment Construction

[0027] The present invention will be described in detail below in conjunction with the accompanying drawings. The description in this part is only exemplary and explanatory, and should not have any limiting effect on the protection scope of the present invention. Now in conjunction with the following figure the present invention will be further described.

[0028] Such as figure 1 As shown, a co-extrusion film for peritoneal dialysis fluid bag provided by the present invention includes a heat-sealing layer A, an inner adhesive layer B, a structural layer C, an outer adhesive layer D and an outer layer E arranged sequentially from the inside to the outside; The material of heat sealing layer A is a mixed resin composed of modified polypropylene (PP) and ethylene octene copolymer (POE), the inner adhesive layer B is ethylene-vinyl acetate (EVA), and the structural layer C is polyethylene (PE ), the outer adhesive layer D is a mixed resin composed of ethylene-vinyl acetate copol...