Medical tape and medical product prepared by same

A technology of adhesive tape and non-woven fabric backing, applied in bandages, medical science, drug combination, etc., can solve problems such as difficult stretching, difficult processing, poor liquid barrier properties, etc., to achieve reduced exudation, effective short-term barrier, and water resistance strong effect

Inactive Publication Date: 2010-06-09
3M INNOVATIVE PROPERTIES CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the adhesive tapes made of the above-mentioned raw materials all have the following two common disadvantages: (1) lack of elasticity and are not suitable for joints and other active parts; The influence of or the exudation of the inner liquid
However, generally speaking, polyethylene particles have high crystallinity and difficult processing, especially metallocene polyethylene cannot be used to make non-woven fabrics by spunbonding.
Even a few commercialized polyethylene non-woven fabrics made by the flash method are too tough and inelastic, making it difficult to stretch

Method used

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  • Medical tape and medical product prepared by same
  • Medical tape and medical product prepared by same
  • Medical tape and medical product prepared by same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] Example 1: Tape

[0049] Coating weight of dry glue is 30.0g / m 2 The PS-57E water-based acrylate adhesive (Xi'an Tian Industrial Co., Ltd., Room A1020507, Maple Leaf New City, High-tech Zone, Xi'an City) has a gram weight of 120g / m 2 On the single-sided release paper (Baoyan Industrial Technology Co., Ltd., No. 1222, Xinmiao 3rd Road, Songjiang District, Shanghai), put it into an oven to dry, and under the action of rolling rollers, the weight is 20g / m 2 And Marnix elastic non-woven fabric with a thickness of 60 μm (Guoqiao Industrial Co., Ltd., Guoqiao Industrial Park, Guanguang Road, Guanlan Town, Baoan District, Shenzhen) was compounded, and the adhesive layer was transferred to the non-woven fabric. The stripping force of the obtained non-woven tape to the steel plate was 0.311 N / mm, the hydrostatic pressure was 31.2 cm, and the elastic recovery rates in the longitudinal and transverse directions were 95.33% and 92.38%, respectively. Tape produced as figure 1 sho...

Embodiment 2

[0050] Example 2: Tape

[0051] Coating weight of dry glue is 30.0g / m 2 The PS-58E water-based acrylate adhesive (Xi'an Tianyun Industrial Co., Ltd., Room A1020507, Maple Leaf New City, High-tech Zone, Xi'an City) has a gram weight of 120g / m 2 On the single-sided release paper (Baoyan Industrial Technology Co., Ltd., No. 1222, Xinmiao 3rd Road, Songjiang District, Shanghai), put it into an oven to dry, and under the action of rolling rollers, the weight is 40g / m 2 And Marnix elastic non-woven fabric with a thickness of 117 μm (Guoqiao Industrial Co., Ltd., Guoqiao Industrial Park, Guanguang Road, Guanlan Town, Baoan District, Shenzhen) was compounded, and the adhesive layer was transferred to the non-woven fabric. The stripping force of the obtained non-woven tape to the steel plate was 0.462 N / mm, the hydrostatic pressure was 38.0 cm, and the elastic recovery rates in the longitudinal and transverse directions were 94.13% and 91.68%, respectively.

Embodiment 3

[0052] Example 3: Tape

[0053] Coating weight of dry glue is 43.8g / m 2 Acrylate adhesive (95.5 / 4.5 (weight ratio) isooctyl acrylate-acrylic acid copolymer adhesive prepared according to RE24960 (Ulrich)) at a grammage of 120 g / m 2 On the single-sided release paper (Baoyan Industrial Technology Co., Ltd., No. 1222, Xinmiao 3rd Road, Songjiang District, Shanghai), put it in an oven to dry, and under the action of rolling rollers, the weight is 60g / m 2 And Marnix elastic non-woven fabric with a thickness of 180 μm (Guoqiao Industrial Co., Ltd., Guoqiao Industrial Park, Guanguang Road, Guanlan Town, Baoan District, Shenzhen) was compounded, and the adhesive layer was transferred to the non-woven fabric. The stripping force of the obtained non-woven tape to the steel plate was 0.240 N / mm, the hydrostatic pressure was 57.0 cm, and the longitudinal and transverse elastic recovery rates were 93.55% and 90.82%, respectively.

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Abstract

The invention provides a medical tape which is composed of a non-woven backlining of metallocene polypropylene copolymer and medical pressure-sensitive adhesive (PSA) coated on at least one surface of the backlining. The invention also provides a medical product, which comprises medicament and the medical tape in the invention.

Description

Technical field: [0001] The invention relates to a medical adhesive tape and medical products made thereof, in particular to a medical adhesive tape with non-woven fabric as a backing material and medical products made thereof, such as medical dressings, plasters and band-aids. Background technique [0002] In the current health care and personal care fields, non-woven tapes are widely used due to their excellent performance, low price and convenient processing. Raw materials for nonwoven tapes include rayon, polyester, rayon / polyester blends, and polypropylene, among others. For example, Chinese patent CN2267786Y discloses a kind of medical air-permeable adhesive tape, which includes a winding cylinder, one side of the non-woven fabric is a medical primer, and the other side of the non-woven fabric is an adhesive. There is a medical primer between the adhesive and the non-woven fabric. The adhesive is medical grade acrylic pressure-sensitive adhesive, and the non-woven fa...

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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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61F13/02A61L15/44
CPCA61F13/02A61L15/24A61L15/58A61F13/0206A61F13/0223A61F13/0226Y10T442/2754A61P17/02C08L23/10
Inventor 朱敦深周适明范婷李有婷吴东
Owner 3M INNOVATIVE PROPERTIES CO
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