CN105968628B - PVC lubricants and preparation method thereof - Google Patents
PVC lubricants and preparation method thereof Download PDFInfo
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- CN105968628B CN105968628B CN201610349208.3A CN201610349208A CN105968628B CN 105968628 B CN105968628 B CN 105968628B CN 201610349208 A CN201610349208 A CN 201610349208A CN 105968628 B CN105968628 B CN 105968628B
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- 239000000314 lubricant Substances 0.000 title claims abstract description 36
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 239000002994 raw material Substances 0.000 claims abstract description 13
- 239000000341 volatile oil Substances 0.000 claims abstract description 9
- 244000226021 Anacardium occidentale Species 0.000 claims abstract description 7
- 235000020226 cashew nut Nutrition 0.000 claims abstract description 7
- 239000008601 oleoresin Substances 0.000 claims abstract description 7
- 235000005979 Citrus limon Nutrition 0.000 claims abstract description 5
- 244000131522 Citrus pyriformis Species 0.000 claims abstract description 5
- 229940082500 cetostearyl alcohol Drugs 0.000 claims abstract description 4
- 239000008172 hydrogenated vegetable oil Substances 0.000 claims abstract description 4
- 239000002480 mineral oil Substances 0.000 claims abstract description 4
- 235000010446 mineral oil Nutrition 0.000 claims abstract description 4
- GLDOVTGHNKAZLK-UHFFFAOYSA-N octadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCCCO GLDOVTGHNKAZLK-UHFFFAOYSA-N 0.000 claims abstract description 4
- OULAJFUGPPVRBK-UHFFFAOYSA-N tetratriacontyl alcohol Natural products CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCO OULAJFUGPPVRBK-UHFFFAOYSA-N 0.000 claims abstract description 4
- PHYFQTYBJUILEZ-IUPFWZBJSA-N triolein Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OCC(OC(=O)CCCCCCC\C=C/CCCCCCCC)COC(=O)CCCCCCC\C=C/CCCCCCCC PHYFQTYBJUILEZ-IUPFWZBJSA-N 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 9
- 239000007795 chemical reaction product Substances 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 238000002425 crystallisation Methods 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 4
- 238000004806 packaging method and process Methods 0.000 claims description 4
- 238000010792 warming Methods 0.000 claims description 4
- 239000003610 charcoal Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims description 2
- 238000001914 filtration Methods 0.000 claims description 2
- 244000301850 Cupressus sempervirens Species 0.000 claims 1
- 241000218691 Cupressaceae Species 0.000 abstract description 7
- 230000001408 fungistatic effect Effects 0.000 abstract description 6
- 238000002834 transmittance Methods 0.000 abstract description 4
- 238000002845 discoloration Methods 0.000 abstract description 2
- 230000000704 physical effect Effects 0.000 abstract description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 30
- 239000004800 polyvinyl chloride Substances 0.000 description 30
- 239000000047 product Substances 0.000 description 20
- 239000011347 resin Substances 0.000 description 8
- 229920005989 resin Polymers 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000003595 mist Substances 0.000 description 3
- 230000004763 spore germination Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000004605 External Lubricant Substances 0.000 description 2
- 241000191967 Staphylococcus aureus Species 0.000 description 2
- 230000000845 anti-microbial effect Effects 0.000 description 2
- 230000009514 concussion Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- QMMJWQMCMRUYTG-UHFFFAOYSA-N 1,2,4,5-tetrachloro-3-(trifluoromethyl)benzene Chemical compound FC(F)(F)C1=C(Cl)C(Cl)=CC(Cl)=C1Cl QMMJWQMCMRUYTG-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 241000588724 Escherichia coli Species 0.000 description 1
- 239000004609 Impact Modifier Substances 0.000 description 1
- 241000235395 Mucor Species 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical class [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000002079 cooperative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- UQLDLKMNUJERMK-UHFFFAOYSA-L di(octadecanoyloxy)lead Chemical compound [Pb+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O UQLDLKMNUJERMK-UHFFFAOYSA-L 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 210000002429 large intestine Anatomy 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000000206 moulding compound Substances 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/10—Transparent films; Clear coatings; Transparent materials
-
- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- 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
Landscapes
- 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)
- Lubricants (AREA)
Abstract
The present invention relates to a kind of lubricant, more particularly to a kind of PVC lubricants and preparation method thereof.A kind of PVC lubricants, are made up of raw material as follows in parts by weight：Mineral oil 50 55, pure cashew nut oleoresin 68, olein 14 18, hydrogenated vegetable oil 20 25, cypress essential oil 20 26, lemon 10 12, cetostearyl alcohol 12 18.Cypress essential oil in formula effectively increases the fungistatic effect of PVC products made of the lubricant under reasonable component proportion, and adaptability is extensive.The PVC lubricants that the present invention uses can be effectively improved the physical property of PVC products, and the light transmittance and glossiness that PVC products are made more preferably and have preferable fungistatic effect, are not easy mouldy discoloration.
Description
Technical field
The present invention relates to a kind of lubricant, more particularly to a kind of PVC lubricants and preparation method thereof.
Background technology
PVC refers to Corvic（Poly Vinyl Chloride）Abbreviation PVC.It is a kind of polymerization of vinyl
Material, its material are a kind of amorphism materials.PVC material is frequently added stabilizer, lubricant, auxiliary and added in actual use
Work agent, colorant, impact modifier and other additives.With low flammability, high intensity, resistance to climate variability and excellent geometry
Stability.
The effect of PVC lubricants is the release property for the mobility and product for improving resin in plastic processing, is prevented in machine
In interior or mould defect is produced because of adhesion.Typically it is added in moulding compound or is applied to cavity surface.Conventional lubricants have aliphatic acid
And its esters, long-chain fat hydrocarbon.External lubricant and in-lubricant can be divided into according to the mechanism difference of lubricant.
(1) external lubricant:The compatibility of this lubricant and resin for moulding is poor, therefore is commonly used in processing and forming machinery
Or on mould, it forms a lubricating layer between resin, it is easy to resin flowing and article removal, such as paraffin.
(2) in-lubricant:The compatibility of this series lubricant agent and resin is good, among often mixing resin, reduces the melt of resin
Viscosity, improve its mobility.Such as butyl stearate, lead stearate.Stearates are both good lubricant, are effective again
Stabilizer.
But current various lubricants be not suitable for the quality of production more preferably, the more preferable PVC products of transparency.
The content of the invention
It is an object of the invention to provide it is a kind of suitable for the quality of production more preferably, transparency is more preferable, has fungistatic effect
The PVC lubricants of PVC products.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of PVC lubricants, are made up of raw material as follows in parts by weight：Mineral oil 50-55, pure cashew nut oleoresin 6-8,
Olein 14-18, hydrogenated vegetable oil 20-25, cypress essential oil 20-26, lemon 10-12, cetostearyl alcohol 12-
18.Pure cashew nut oleoresin makes each component compatibility more preferably in formula, and when PVC product is prepared, PVC resin powder is arrived in infiltration
In material, physical-chemical reaction occurs after heated, so that obtained PVC product transparency is more preferable.Pure cashew nut oleoresin and cypress
Essential oil is commercially available prod.Cypress essential oil in formula effectively increases PVC made of the lubricant under reasonable component proportion
The fungistatic effect of product, adaptability are extensive.The compounding of cypress essential oil and lemon can improve the transparency of product and antibacterial
Effect, other components have carried out effective cladding to two kinds of essential oils, so as to avoid loss in process of production.
A kind of preparation method of described PVC lubricants, this method comprise the following steps：
1. described raw material is put into reactor according to proportioning, under stirring, 120-125 DEG C is warming up to；
Material 2. 1. step feeds intake after heating, under 0.07-0.09Mpa pressure, continues to stir, is to slowly warm up to 140
DEG C, and at a temperature of 140-150 DEG C, insulation reaction 10 hours, obtain faint yellow or transparent flow liquid；
3. the reaction product of step 2. is cooled to 90 DEG C of constant temperature, standby section；
4. the reaction product of step 3., through rotary drum condensation-crystallization microtome, after quality inspection is qualified, packaging.
Preferably, step 2. in, described faint yellow or transparent flow liquid is placed in microwave treater, in microwave
Frequency is 915MHz or 2450MHz, under the conditions of environment temperature is 60~90 DEG C, microwave heating treatment 2~3 minutes.By this
After step process, manufactured PVC lubricant chemistries stability is more preferably.
Preferably, 3. the liquid obtained after microwave heating treatment enters step after activated carbon filters.The step can
To remove the various impurity in raw material, be advantageous to obtain the more preferable PVC product of transparency.
The PVC lubricants that the present invention uses can be effectively improved the physical property of PVC products, and the printing opacity of PVC products is made
Rate and glossiness more preferably and have preferable fungistatic effect, are not easy mouldy discoloration.
Embodiment
Below by specific embodiment, technical scheme is described in further detail.It should be appreciated that this hair
Bright implementation is not limited to the following examples, and any formal accommodation and/or change made to the present invention will all fall
Enter the scope of the present invention.
In the present invention, if not refering in particular to, all parts, percentage are unit of weight, used equipment and raw material etc.
It is commercially available or commonly used in the art.Method in following embodiments, it is the normal of this area unless otherwise instructed
Rule method.
Pure cashew nut oleoresin, U.S. Ka Delai 5341#.
Embodiment 1：
A kind of PVC lubricants are made of raw materials in parts by weight as shown in Table 1, and preparation method comprises the following steps：
1. the raw material described in table 1 is put into reactor according to proportioning, under stirring, 120-125 DEG C is warming up to；
Material 2. 1. step feeds intake after heating, under 0.07-0.09Mpa pressure, continues to stir, is to slowly warm up to 140
DEG C, and at a temperature of 140-150 DEG C, insulation reaction 10 hours, obtain faint yellow or transparent flow liquid；
3. the reaction product of step 2. is cooled to 90 DEG C of constant temperature, standby section；
4. the reaction product of step 3., through rotary drum condensation-crystallization microtome, after quality inspection is qualified, packaging.
Table 1（Unit：kg）
| Embodiment | 1 | 2 | 3 | 4 |
| Mineral oil | 55 | 53 | 50 | 52 |
| Pure cashew nut oleoresin | 6 | 8 | 7 | 8 |
| Olein | 14 | 14 | 15 | 18 |
| Hydrogenated vegetable oil | 20 | 22 | 20 | 25 |
| Cypress essential oil | 20 | 24 | 25 | 26 |
| Lemon | 10 | 12 | 12 | 12 |
| Cetostearyl alcohol | 12 | 15 | 16 | 18 |
Embodiment 2-4：
A kind of PVC lubricants are made of raw materials in parts by weight as shown in Table 1, and preparation method comprises the following steps：
1. the raw material described in table 1 is put into reactor according to proportioning, under stirring, 120-125 DEG C is warming up to；
Material 2. 1. step feeds intake after heating, under 0.07-0.09Mpa pressure, continues to stir, is to slowly warm up to 140
DEG C, and at a temperature of 140-150 DEG C, insulation reaction 10 hours, obtain faint yellow or transparent flow liquid；It is in microwave frequency
915MHz, under the conditions of environment temperature is 80 DEG C, microwave heating treatment 2 minutes.The liquid obtained after microwave heating treatment is through making a living
Property charcoal filtering after enter step 3..
3. reaction product 2. is cooled to 90 DEG C of constant temperature suddenly, standby section；
4. reaction product 3. suddenly, through rotary drum condensation-crystallization microtome, after quality inspection is qualified, packaging.
The production of high PVC product thoroughly is carried out using lubricant made from above-described embodiment, raw material is shown in Table 2, its preparation method
It is：Raw material input homogenizer in table 2 stirs 15 minutes at 115 DEG C, is then placed in cooling and stirring machine and cools down, temperature
Extruder is transferred to after being down to 50 DEG C and carries out extrusion plasticizing, plasticization temperature is 150 DEG C -195 DEG C, and extrusion plasticizing process is divided into 5 sections,
It is 155,165,170,175,185 DEG C respectively, temperature is 185-195 DEG C between mould, finally obtains product.Embodiment 5,6,7 is adopted
With PVC lubricant formulations same as Example 1 and preparation method.
Table 2（Unit：kg）
Each performance is satisfied by national standard, wherein transmittance data such as table 3 to PVC products made from above-described embodiment after testing
Shown, the lubricant in comparative example is identical with method using commercially available lubricant unclassified stores.
Table 3（Detection object is the PVC products that thickness is 1cm）
| Embodiment | 1 | 2 | 3 | 4 | 5 | 6 | 7 | Comparative example |
| Light transmittance % | 86 | 92 | 92 | 93 | 84 | 85 | 87 | 72 |
| Mist degree | 1.2 | 1.1 | 1.1 | 1.0 | 1.4 | 1.2 | 1.2 | 2.9 |
| Mucor spore germination rate % | 15 | 18 | 16 | 12 | 15 | 16 | 16 | 56 |
| Escherichia coli bacteriostasis rate % | 85 | 84 | 87 | 90 | 90 | 86 | 85 | 5 |
| Staphylococcus aureus bacteriostasis rate % | 90 | 91 | 93 | 95 | 90 | 89 | 89 | 5 |
Wherein, light transmittance and mist degree are detected using Nippon Denshoku mist degree instrument NDH2000.
Above-mentioned each PVC products bacteriostasis property is tested and analyzed：
The PVC products that the thickness that 100 specifications are 0.5cm × 1cm is 1cm are placed in mucoraceous bacterium solution, room temperature
After lower concussion and cultivate 3h, 2 drop nutrient solution measurement microscope spore germination numbers are taken, calculate spore germination rate；Under similarity condition,
Using the product of comparative example as control, the fungistatic effect of embodiment 1 ~ 7 and comparative example is obtained, the results are shown in Table 3.Meanwhile with large intestine bar
Bacterium, staphylococcus aureus are strain, carry out anti-microbial property test to sample using concussion flask method, the anti-microbial property of sample leads to
Cross bacteriostasis rate to be evaluated, testing result is shown in Table 3.
The present invention is by selecting and determining suitable lubricant component and ratio and caused cooperative effect and optimal
Lubricant production technique, make the transparency on product of lubricant influence to be significantly improved, reach the mesh enhanced the transparency
's.Meanwhile obtained PVC product glossiness is preferable, tensile strength is strong, and chemically stable is good, and bacteriostasis rate is high, can in like product
Show one's talent.
Embodiment described above is a kind of preferable scheme of the present invention, not the present invention is made any formal
Limitation, there are other variants and remodeling on the premise of without departing from the technical scheme described in claim.
Claims (4)
1. a kind of PVC lubricants, it is characterised in that be made up of raw material as follows in parts by weight：
Mineral oil 50-55
Pure cashew nut oleoresin 6-8
Olein 14-18
Hydrogenated vegetable oil 20-25
Lemon 10-12
Cypress essential oil 20-26
Cetostearyl alcohol 12-18.
2. the preparation method of the PVC lubricants described in a kind of claim 1, it is characterised in that this method comprises the following steps：
1. the raw material described in claim 1 is put into reactor according to proportioning, under stirring, 120-125 DEG C is warming up to；
Material 2. 1. step feeds intake after heating, under 0.07-0.09MPa pressure, continues to stir, is to slowly warm up to 140 DEG C,
And at a temperature of 140-150 DEG C, insulation reaction 10 hours, obtain faint yellow or transparent flow liquid；
3. the reaction product of step 2. is cooled to 90 DEG C of constant temperature, standby section；
4. the reaction product of step 3., through rotary drum condensation-crystallization microtome, after quality inspection is qualified, packaging.
3. preparation method according to claim 2, it is characterised in that：Step 2. in, described faint yellow or transparent flow
Property liquid is placed in microwave treater, is 915MHz or 2450MHz in microwave frequency, environment temperature is 60~90 DEG C of conditions
Under, microwave heating treatment 2~3 minutes.
4. preparation method according to claim 3, it is characterised in that：The liquid obtained after microwave heating treatment is by activity
Enter step 3. after charcoal filtering.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610349208.3A CN105968628B (en) | 2016-05-23 | 2016-05-23 | PVC lubricants and preparation method thereof |
| CN201710956190.8A CN107573618A (en) | 2016-05-23 | 2016-05-23 | The preparation method of PVC lubricants |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610349208.3A CN105968628B (en) | 2016-05-23 | 2016-05-23 | PVC lubricants and preparation method thereof |
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| CN201710956190.8A Division CN107573618A (en) | 2016-05-23 | 2016-05-23 | The preparation method of PVC lubricants |
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| CN105968628A CN105968628A (en) | 2016-09-28 |
| CN105968628B true CN105968628B (en) | 2017-11-10 |
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| CN102321317B (en) * | 2011-08-25 | 2013-07-31 | 上海恒方大高分子材料科技有限公司 | High-transparent medical PVC pellet and preparation method thereof |
| CN102504442B (en) * | 2011-11-17 | 2013-09-25 | 山东瑞丰高分子材料股份有限公司 | External lubricant for PVC (polyvinyl chloride) |
| CN102492237B (en) * | 2011-11-23 | 2013-09-25 | 山东瑞丰高分子材料股份有限公司 | Internal lubricant for polyvinyl chloride (PVC) resin molding processing and preparation method thereof |
| CN103602460A (en) * | 2013-10-23 | 2014-02-26 | 青岛海伴塑胶工贸有限公司 | Pipe fitting processing lubricant |
| CN104877256A (en) * | 2015-04-30 | 2015-09-02 | 苏州乔布注塑工业有限公司 | External PVC lubricating agent |
| CN104910544A (en) * | 2015-05-07 | 2015-09-16 | 镇江鑫联塑胶新材料科技有限公司 | Polyvinyl chloride (PVC) multipurpose inner lubricant |
| CN105396659A (en) * | 2015-11-06 | 2016-03-16 | 崔贤长 | Method for preparing polyvinyl chloride (PVC) lubricating agent |
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| CN107573618A (en) | 2018-01-12 |
| CN105968628A (en) | 2016-09-28 |
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Inventor after: Xu Chao Inventor after: Jiang Aibin Inventor after: Wang Cha Inventor after: Zhao Liang Inventor after: Hu Zhipeng Inventor after: Ren Changxu Inventor after: Wu Xiaoling Inventor after: Shi Lieyuan Inventor after: Ding Yuanjun Inventor before: Zhang Jin |
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Effective date of registration: 20171214 Address after: 211408, Jiangsu City, Yangzhou province Yizheng Chen town industrial concentration area Patentee after: Jiangsu is along bodyguard cleaning equipment Co., Ltd Address before: 317300 room 3-402, Jinding District, Xianju County, Zhejiang, Taizhou Patentee before: Zhang Jin |