CN102321315A - Sac body material of medical disposable cooling sacs - Google Patents
Sac body material of medical disposable cooling sacs Download PDFInfo
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- CN102321315A CN102321315A CN201110245704A CN201110245704A CN102321315A CN 102321315 A CN102321315 A CN 102321315A CN 201110245704 A CN201110245704 A CN 201110245704A CN 201110245704 A CN201110245704 A CN 201110245704A CN 102321315 A CN102321315 A CN 102321315A
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- bag
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- pvc
- blown film
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- B29C47/92—
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- Compositions Of Macromolecular Compounds (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
The invention provides a sac body material of disposable cooling sacs. The sac body material is manufactured from components of, by weight: 100 parts of a PVC film blowing material with a polymerization degree of 1000 to 1300, 1.5 to 3 parts of a modifier MBS, 0.5 to 2.5 parts of a modifier ACR, and 0.25 to 0.5 parts of an anti-blocking agent. The material provided by the invention has advantages of high tear resistance and good toughness. With the material, medical cooling sac problems of water filling rupture and water filling difficulty can be effectively solved.
Description
Technical field
The present invention relates to SE (PVC) modification field, be specifically related to PVC carried out toughening modifying, improve toughness and the tensile strength of PVC through modifier MBS and ACR are collaborative.
Background technology
Medical cooling bag is the medicine equipment that is used for auxiliary body local cooling usefulness; Medical cooling bag can play auxiliary temperature-reducing, can also alleviate the sufferer misery, uses very extensive; Can be used for clinical or family's physics reduction body temperature; Constructional feature mainly is made up of sealing bag and the salt solution that fills in sealing bag, and the salt solution in the time of-18 ℃ in the sealing bag is white shape, thereby makes that the sealing bag quality is soft, feel comfortable.Effect with easy to use, good cooling effect, longer duration.But existing Dispoable medical cooling bag; Usually the bag material adopts PE and PVA extrusion moulding; Because the singularity of PE and PVA material makes the Medical cooling bag of this type material water-filling extruding fracture phenomena in use often occur, causes very big loss and trouble for patient, medical personnel.And the PVC resistance to acids and bases is extremely strong, and chemicalstability is good, and toughness is strong; Transparency is good, can widen elongation significantly and but can not split off, and medical PVC used more than 20 year; Prove safe, price is relatively cheap, so existing Medical cooling bag bag adopts the preparation of PVC blown film material mostly; But the PVC blown film material directly bag of preparation exists opening property poor again, and water-filling fills situation of difficult.
Summary of the invention
In view of above-mentioned weak point, the object of the present invention is to provide a kind of Dispoable medical cooling bag bag material, existing PVC blown film material is carried out modification; Preparation PVC blown film material and MBS; ACR, the blend of EBS solves Medical cooling bag bag water-filling and breaks and water-filling difficulty phenomenon.
In order to achieve the above object; The present invention has taked following technical scheme: a kind of Dispoable medical cooling bag bag material; This bag material is counted by weight ratio by following composition and processed: the polymerization degree is the PVC blown film material of 1000-1300: 100 parts; Modifier MBS 1.5-3 part, modifier A CR0.5-2.5 part, opening agent: 0.2-0.5 part;
Above-mentioned opening agent is an ethylenebisstearamide.
Dispoable medical cooling bag bag preparation methods is: pressing above-mentioned formula ratio, is the polymerization degree the high pot that mixes of PVC blown film material, modifier MBS, modifier A CR, opening agent adding of 1000-1300 at first, mixes to take the dish out of the pot in 30 minutes, and then carries out granulation with dual-screw pelletizer; In the granulation process, each section temperature is 170 ℃, 175 ℃, and 175 ℃; 175 ℃, 175 ℃, 178 ℃, 175 ℃; 170 ℃, rotating speed is 350r/min, and screw diameter is 65mm.
Among the present invention, the adding of MBS and ACR has strengthened the toughness of blend to the blend coordination plasticizing; Improved tensile yield and blend shock strength, but MBS content descends on the contrary at the toughening effect that surpasses 3% o'clock blend, because the MBS too high levels; Make its particle in PVC, be difficult to disperse, even be present among the PVC, influenced modified effect with the external phase form; Therefore the consumption of MBS should not surpass 3 parts, and EBS is along with the increase opening performance of amount increases, but cost also increases relatively; Discomfort is fit to do disposable products, selects appropriate amount to get final product.
Test experiments: product of the present invention and each item performance of improving preceding PVC blown film material have been done a test, and test result is seen table 1.
Each performance of table 1 product of the present invention and the examining report table that improves preceding PVC blown film material product.
| Test event | Tensile strength (Mpa) | Elongation at break, % | Hardness (Shao Shi A) | Cytotoxicity | Haemolysis | Pyrogen |
| PVC blown film material product before improving | 13 | 250 | 75 | 0 grade | Hemolysis rate<=5% | No pyrogeneous substance |
| Product of the present invention | ＞20 | ＞400 | ≤80 | 0 grade | Hemolysis rate<=3% | No pyrogeneous substance |
Beneficial effect of the present invention is: the present invention passes through existing P VC blown film material
Carry outMedical modification makes its tensile strength can bring up to 10-20 Mpa, has obviously improved the tear resistance of PVC blown film material, solves Medical cooling bag bag water-filling and breaks and water-filling difficulty phenomenon.
Embodiment
Embodiment 1
Embodiment 1
Taking by weighing the polymerization degree is PVC blown film material (capital, Changzhou woods medicine equipment ltd, the specifications and models: MF-1) 100kg, modifier MBS 1.5kg, modifier A CR0.5kg, opening agent ethylenebisstearamide 0.2kg of 1000-1300; Adding is high mixed pot, mixes to take the dish out of the pot in 30 minutes, and then carries out granulation with dual-screw pelletizer, and in the granulation process, each section temperature is 170 ℃; 175 ℃, 175 ℃, 175 ℃, 175 ℃, 178 ℃; 175 ℃, 170 ℃, rotating speed is 350r/min, and screw diameter is 65mm.
Embodiment 2
Taking by weighing the polymerization degree is PVC blown film material (capital, Changzhou woods medicine equipment ltd, the specifications and models: MF-1) 100kg, modifier MBS 2kg, modifier A CR1.5kg, opening agent ethylenebisstearamide 0.35kg of 1000-1300; Adding is high mixed pot, mixes to take the dish out of the pot in 30 minutes, and then carries out granulation with dual-screw pelletizer, and in the granulation process, each section temperature is 170 ℃; 175 ℃, 175 ℃, 175 ℃, 175 ℃, 178 ℃; 175 ℃, 170 ℃, rotating speed is 350r/min, and screw diameter is 65mm.
Embodiment 3
Taking by weighing the polymerization degree is PVC blown film material (capital, Changzhou woods medicine equipment ltd, the specifications and models: MF-1) 100kg, modifier MBS 3kg, modifier A CR2.5kg, opening agent ethylenebisstearamide 0.5kg of 1000-1300; Adding is high mixed pot, mixes to take the dish out of the pot in 30 minutes, and then carries out granulation with dual-screw pelletizer, and in the granulation process, each section temperature is 170 ℃; 175 ℃, 175 ℃, 175 ℃, 175 ℃, 178 ℃; 175 ℃, 170 ℃, rotating speed is 350r/min, and screw diameter is 65mm.
Claims (3)
1. a Dispoable medical cooling bag bag material; It is characterized in that: this bag material is counted by weight ratio by following composition and processed: the polymerization degree is the PVC blown film material of 1000-1300: 100 parts; Modifier MBS 1.5-3 part, modifier A CR0.5-2.5 part, opening agent: 0.2-0.5 part.
2. Dispoable medical cooling bag bag bursting material according to claim 1 is characterized in that said opening agent is an ethylenebisstearamide.
3. Dispoable medical as claimed in claim 1 cooling bag bag preparation methods is characterized in that this preparation method is: by above-mentioned formula ratio, be the polymerization degree that PVC blown film material, modifier MBS, modifier A CR, the opening agent of 1000-1300 adds the high pot that mixes at first, mix to take the dish out of the pot in 30 minutes; And then carry out granulation with dual-screw pelletizer, in the granulation process, each section temperature is 170 ℃; 175 ℃, 175 ℃, 175 ℃; 175 ℃, 178 ℃, 175 ℃; 170 ℃, rotating speed is 350r/min, and screw diameter is 65mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102457041A CN102321315B (en) | 2011-08-25 | 2011-08-25 | Sac body material of medical disposable cooling sacs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102457041A CN102321315B (en) | 2011-08-25 | 2011-08-25 | Sac body material of medical disposable cooling sacs |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102321315A true CN102321315A (en) | 2012-01-18 |
| CN102321315B CN102321315B (en) | 2013-04-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102457041A Active CN102321315B (en) | 2011-08-25 | 2011-08-25 | Sac body material of medical disposable cooling sacs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102321315B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56104953A (en) * | 1980-01-24 | 1981-08-21 | Chisso Corp | Vinyl chloride resin composition |
| CN1064086A (en) * | 1991-02-11 | 1992-09-02 | 齐鲁石油化工公司研究院 | Medical polyvinyl PP Pipe Compound and method for formulating |
| CN101555336A (en) * | 2008-04-10 | 2009-10-14 | 中山赛特工程塑料有限公司 | Environmental protection type polyvinyl chloride composition |
-
2011
- 2011-08-25 CN CN2011102457041A patent/CN102321315B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56104953A (en) * | 1980-01-24 | 1981-08-21 | Chisso Corp | Vinyl chloride resin composition |
| CN1064086A (en) * | 1991-02-11 | 1992-09-02 | 齐鲁石油化工公司研究院 | Medical polyvinyl PP Pipe Compound and method for formulating |
| CN101555336A (en) * | 2008-04-10 | 2009-10-14 | 中山赛特工程塑料有限公司 | Environmental protection type polyvinyl chloride composition |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102321315B (en) | 2013-04-17 |
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