CN109181114A - A kind of Medical elastic pad and preparation method thereof - Google Patents
A kind of Medical elastic pad and preparation method thereof Download PDFInfo
- Publication number
- CN109181114A CN109181114A CN201811186693.2A CN201811186693A CN109181114A CN 109181114 A CN109181114 A CN 109181114A CN 201811186693 A CN201811186693 A CN 201811186693A CN 109181114 A CN109181114 A CN 109181114A
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- Prior art keywords
- parts
- antioxidant
- medical
- raw material
- elastic pad
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of Medical elastic pads, its raw material poidometer by weight is as follows: 40-46 parts of chlorinated scoline, 8-16 parts of modified poly ethylene, 20-27 parts of White Mineral Oil, 6-12 parts of calcium carbonate, 0.5-1.2 parts of antioxidant, 46-53 parts of medical elastomer, 10-15 parts of titanium dioxide, 20-24 parts of semi-reinforcing furnace black, 1.3-2.5 parts and adjuvant 6-9 parts of magnesia.It include chlorinated scoline, modified poly ethylene, White Mineral Oil, calcium carbonate by raw material, antioxidant, medical elastomer, titanium dioxide, semi-reinforcing furnace black, magnesia and adjuvant, using medical elastomer as primary raw material, while the physical mechanical property needed for guaranteeing gasket, production cost, advantages of nontoxic raw materials are significantly reduced, it has no irritating odor, to environment, equipment and personnel's fanout free region, product is obtained with injection molding manner, simple production process considerably reduces energy consumption, improves work efficiency.
Description
Technical field
The present invention relates to Medical elastic pad technical fields more particularly to a kind of Medical elastic pad and preparation method thereof.
Background technique
Medical elastic pad is a kind of most common sealing element in Medical Packing Materials field, for preventing fluid leakage etc..Tradition
Production process include refining glue, vulcanization, tabletting, slice, cold punching, silication, refrigeration etc., when complex production process, consumption energy consumption and its
Raw material has certain pollution to environment, and not only production cost is high, and product quality cannot ensure.
Summary of the invention
The purpose of the present invention is to solve disadvantage existing in the prior art, and a kind of Medical elastic pad that proposes and
Preparation method.
To achieve the goals above, present invention employs following technical solutions:
A kind of Medical elastic pad, raw material poidometer by weight are as follows: 40-46 parts of chlorinated scoline, modified poly-
8-16 parts of ethylene, 20-27 parts of White Mineral Oil, 6-12 parts of calcium carbonate, 0.5-1.2 parts of antioxidant, 46-53 parts of medical elastomer, titanium white
10-15 parts of powder, 20-24 parts of semi-reinforcing furnace black, 1.3-2.5 parts and adjuvant 6-9 parts of magnesia.
Specifically, the medical elastomer is the thermoplasticity for using foaming technique to be made as raw material using polypropylene for medical article
Elastomer.
Specifically, the antioxidant includes primary antioxidant and time antioxidant, wherein primary antioxidant accounts for antioxidant by weight
52%-56%, remaining is time antioxidant, and the primary antioxidant is IRGANOX1726, and the secondary antioxidant is Ciba of the U.S.
The antioxidant 168 of production.
Specifically, the adjuvant is anti-aging agent, coupling agent and promotor.
Specifically, the anti-aging agent, coupling agent and promotor accounting by weight percentage are as follows: anti-aging agent 25%, coupling
Agent 30% and promotor 45%, the anti-aging agent are pentaerythritol ester, and the coupling agent is γ-mercaptopropyl trimethoxysilane,
The promotor is benzothiazole disulfide.
A kind of preparation method of Medical elastic pad, includes the following steps:
S1: chlorinated scoline, modified poly ethylene, White Mineral Oil, calcium carbonate, antioxidant, medical elastomer, titanium white are weighed
Powder, semi-reinforcing furnace black, magnesia and adjuvant；
S2: pouring into blender for weighed raw material and be stirred, first section stir when, blender revolving speed be 50-100 turn/
Minute, mixing time 2-3min, when latter end stirs, blender revolving speed is 200-300 revs/min, mixing time 10-
15min；
S3: mixing in raw material investment mixer after mixing evenly is then added to XKY-550 rubber opening rubber mixing machine
Middle carry out mill, most afterwards through injection molding machine injection molding, injection temperature is 205 ± 10 DEG C, speed 58mm/s, injection pressure 40
± 5kPa, injection molding detect its rejected product and are rejected, qualified product inner packing process obtains gasket product after its cooling.
Compared with prior art, the beneficial effects of the present invention are: a kind of Medical elastic pad provided by the invention and its system
Preparation Method includes chlorinated scoline, modified poly ethylene, White Mineral Oil, calcium carbonate, antioxidant, medical elastomer, titanium by raw material
White powder, semi-reinforcing furnace black, magnesia and adjuvant, using medical elastomer as primary raw material, the physics needed for guaranteeing gasket
While mechanical performance, significantly reduce production cost, advantages of nontoxic raw materials has no irritating odor, to environment, equipment and personnel without
Injury obtains product with injection molding manner, and simple production process considerably reduces energy consumption, improves work efficiency.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, to this
Invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, not
For limiting the present invention.
Embodiment 1
A kind of Medical elastic pad, raw material poidometer by weight are as follows: 40 parts of chlorinated scoline, modified poly ethylene
8 parts, 20 parts of White Mineral Oil, 6 parts of calcium carbonate, 0.5 part of antioxidant, 46 parts of medical elastomer, 10 parts of titanium dioxide, semi-reinforcing furnace black
20 parts, 1.3 parts and 6 parts of adjuvant of magnesia.
Specifically, the medical elastomer is the thermoplasticity for using foaming technique to be made as raw material using polypropylene for medical article
Elastomer.
Specifically, the antioxidant includes primary antioxidant and time antioxidant, wherein primary antioxidant accounts for antioxidant by weight
52%, remaining is time antioxidant, and the primary antioxidant is IRGANOX1726, and the secondary antioxidant is the production of Ciba of the U.S.
Antioxidant 168.
Specifically, the adjuvant is anti-aging agent, coupling agent and promotor.
Specifically, the anti-aging agent, coupling agent and promotor accounting by weight percentage are as follows: anti-aging agent 25%, coupling
Agent 30% and promotor 45%, the anti-aging agent are pentaerythritol ester, and the coupling agent is γ-mercaptopropyl trimethoxysilane,
The promotor is benzothiazole disulfide.
A kind of preparation method of Medical elastic pad, includes the following steps:
S1: chlorinated scoline, modified poly ethylene, White Mineral Oil, calcium carbonate, antioxidant, medical elastomer, titanium white are weighed
Powder, semi-reinforcing furnace black, magnesia and adjuvant；
S2: pouring into blender for weighed raw material and be stirred, and when first section stirs, blender revolving speed is 50 revs/min,
Mixing time is 2min, and when latter end stirs, blender revolving speed is 200 revs/min, mixing time 10min；
S3: mixing in raw material investment mixer after mixing evenly is then added to XKY-550 rubber opening rubber mixing machine
Middle carry out mill, most afterwards through injection molding machine injection molding, injection temperature is 205 ± 10 DEG C, speed 58mm/s, injection pressure 40
± 5kPa, injection molding detect its rejected product and are rejected, qualified product inner packing process obtains gasket product after its cooling.
Embodiment 2
A kind of Medical elastic pad, raw material poidometer by weight are as follows: 42 parts of chlorinated scoline, modified poly ethylene
12 parts, 25 parts of White Mineral Oil, 10 parts of calcium carbonate, 1 part of antioxidant, 48 parts of medical elastomer, 13 parts of titanium dioxide, semi-reinforcing furnace black
22 parts, 2 parts and 6 parts of adjuvant of magnesia.
Specifically, the medical elastomer is the thermoplasticity for using foaming technique to be made as raw material using polypropylene for medical article
Elastomer.
Specifically, the antioxidant includes primary antioxidant and time antioxidant, wherein primary antioxidant accounts for antioxidant by weight
52%-56%, remaining is time antioxidant, and the primary antioxidant is IRGANOX1726, and the secondary antioxidant is Ciba of the U.S.
The antioxidant 168 of production.
Specifically, the adjuvant is anti-aging agent, coupling agent and promotor.
Specifically, the anti-aging agent, coupling agent and promotor accounting by weight percentage are as follows: anti-aging agent 25%, coupling
Agent 30% and promotor 45%, the anti-aging agent are pentaerythritol ester, and the coupling agent is γ-mercaptopropyl trimethoxysilane,
The promotor is benzothiazole disulfide.
A kind of preparation method of Medical elastic pad, includes the following steps:
S1: chlorinated scoline, modified poly ethylene, White Mineral Oil, calcium carbonate, antioxidant, medical elastomer, titanium white are weighed
Powder, semi-reinforcing furnace black, magnesia and adjuvant；
S2: pouring into blender for weighed raw material and be stirred, and when first section stirs, blender revolving speed is 100 revs/min
Clock, mixing time 3min, when latter end stirs, blender revolving speed is 200 revs/min, mixing time 15min；
S3: mixing in raw material investment mixer after mixing evenly is then added to XKY-550 rubber opening rubber mixing machine
Middle carry out mill, most afterwards through injection molding machine injection molding, injection temperature is 205 ± 10 DEG C, speed 58mm/s, injection pressure 40
± 5kPa, injection molding detect its rejected product and are rejected, qualified product inner packing process obtains gasket product after its cooling.
Embodiment 3
A kind of Medical elastic pad, raw material poidometer by weight are as follows: 46 parts of chlorinated scoline, modified poly ethylene
16 parts, 27 parts of White Mineral Oil, 12 parts of calcium carbonate, 1.2 parts of antioxidant, 53 parts of medical elastomer, 15 parts of titanium dioxide, half reinforcement oven process charcoal
Black 24 parts, 2.5 parts and 9 parts of adjuvant of magnesia.
Specifically, the medical elastomer is the thermoplasticity for using foaming technique to be made as raw material using polypropylene for medical article
Elastomer.
Specifically, the antioxidant includes primary antioxidant and time antioxidant, wherein primary antioxidant accounts for antioxidant by weight
56%, remaining is time antioxidant, and the primary antioxidant is IRGANOX1726, and the secondary antioxidant is the production of Ciba of the U.S.
Antioxidant 168.
Specifically, the adjuvant is anti-aging agent, coupling agent and promotor.
Specifically, the anti-aging agent, coupling agent and promotor accounting by weight percentage are as follows: anti-aging agent 25%, coupling
Agent 30% and promotor 45%, the anti-aging agent are pentaerythritol ester, and the coupling agent is γ-mercaptopropyl trimethoxysilane,
The promotor is benzothiazole disulfide.
A kind of preparation method of Medical elastic pad, includes the following steps:
S1: chlorinated scoline, modified poly ethylene, White Mineral Oil, calcium carbonate, antioxidant, medical elastomer, titanium white are weighed
Powder, semi-reinforcing furnace black, magnesia and adjuvant；
S2: pouring into blender for weighed raw material and be stirred, and when first section stirs, blender revolving speed is 100 revs/min
Clock, mixing time 3min, when latter end stirs, blender revolving speed is 300 revs/min, mixing time 15min；
S3: mixing in raw material investment mixer after mixing evenly is then added to XKY-550 rubber opening rubber mixing machine
Middle carry out mill, most afterwards through injection molding machine injection molding, injection temperature is 205 ± 10 DEG C, speed 58mm/s, injection pressure 40
± 5kPa, injection molding detect its rejected product and are rejected, qualified product inner packing process obtains gasket product after its cooling.
A kind of Medical elastic pad provided by the invention and preparation method thereof, includes chlorinated scoline by raw material, changes
Property polyethylene, White Mineral Oil, calcium carbonate, antioxidant, medical elastomer, titanium dioxide, semi-reinforcing furnace black, magnesia and auxiliary
Agent while the physical mechanical property needed for guaranteeing gasket, is significantly reduced and is produced into using medical elastomer as primary raw material
This, advantages of nontoxic raw materials has no irritating odor, and to environment, equipment and personnel's fanout free region, obtains product, production technology with injection molding manner
Simply, energy consumption is considerably reduced, work efficiency is improved.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of Medical elastic pad, it is characterised in that: its raw material poidometer by weight is as follows: chlorinated scoline 40-46
Part, 8-16 parts of modified poly ethylene, 20-27 parts of White Mineral Oil, 6-12 parts of calcium carbonate, 0.5-1.2 parts of antioxidant, medical elastomer 46-
53 parts, 10-15 parts of titanium dioxide, 20-24 parts of semi-reinforcing furnace black, 1.3-2.5 parts and adjuvant 6-9 parts of magnesia.
2. a kind of Medical elastic pad according to claim 1, it is characterised in that: the medical elastomer is with medical poly-
Propylene is the thermoplastic elastomer (TPE) that raw material uses foaming technique to be made.
3. a kind of Medical elastic pad according to claim 1, it is characterised in that: the antioxidant include primary antioxidant and
Secondary antioxidant, wherein primary antioxidant accounts for the 52%-56% of antioxidant by weight, remaining is time antioxidant, and the primary antioxidant is
IRGANOX 1726, the secondary antioxidant are the antioxidant 168 of Ciba of U.S. production.
4. a kind of Medical elastic pad according to claim 1, it is characterised in that: the adjuvant is anti-aging agent, coupling
Agent and promotor.
5. a kind of Medical elastic pad according to claim 1, it is characterised in that: the anti-aging agent, coupling agent and promotion
Agent accounting by weight percentage is as follows: anti-aging agent 25%, coupling agent 30% and promotor 45%, and the anti-aging agent is pentaerythrite
Ester, the coupling agent are γ-mercaptopropyl trimethoxysilane, and the promotor is benzothiazole disulfide.
6. a kind of preparation method of Medical elastic pad described in claim 1, characterized by the following steps:
S1: weighing chlorinated scoline, modified poly ethylene, White Mineral Oil, calcium carbonate, antioxidant, medical elastomer, titanium dioxide, and half
Reinforcement furnace black, magnesia and adjuvant；
S2: pouring into blender for weighed raw material and be stirred, and when first section stirs, blender revolving speed is 50-100 revs/min,
Mixing time is 2-3min, and when latter end stirs, blender revolving speed is 200-300 revs/min, mixing time 10-15min；
S3: after mixing evenly raw material investment mixer in mixing, be then added in XKY-550 rubber opening rubber mixing machine into
Row mill, most afterwards through injection molding machine injection molding, injection temperature is 205 ± 10 DEG C, speed 58mm/s, injection pressure is 40 ±
5kPa, injection molding detect its rejected product and are rejected, qualified product inner packing process obtains gasket product after its cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811186693.2A CN109181114A (en) | 2018-10-12 | 2018-10-12 | A kind of Medical elastic pad and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811186693.2A CN109181114A (en) | 2018-10-12 | 2018-10-12 | A kind of Medical elastic pad and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109181114A true CN109181114A (en) | 2019-01-11 |
Family
ID=64948026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811186693.2A Withdrawn CN109181114A (en) | 2018-10-12 | 2018-10-12 | A kind of Medical elastic pad and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109181114A (en) |
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2018
- 2018-10-12 CN CN201811186693.2A patent/CN109181114A/en not_active Withdrawn
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Application publication date: 20190111 |