CN102675731A - Thermal ageing-resistant polypropylene mixture, preparation method and application thereof - Google Patents
Thermal ageing-resistant polypropylene mixture, preparation method and application thereof Download PDFInfo
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Abstract
The invention relates to a thermal ageing-resistant polypropylene mixture which consists of homo polypropylene, dibenzylidene sorbitol and disteaxyl thiodipropionate. The invention also relates to a preparation method of the thermal ageing -resistant polypropylene mixture , and the preparation method comprises the steps of mixing the homo polypropylene, the dibenzylidene sorbitol and the disteaxyl thiodipropionate and enabling the homo polypropylene, the dibenzylidene sorbitol and the disteaxyl thiodipropionate to be in contact with one another. The invention also relates to application of the thermal ageing-resistant polypropylene mixture during preparation of melt blown nonwoven fabric. The thermal ageing-resistant polypropylene mixture has good thermal ageing-resistant performance, so that the melt blown nonwoven fabric prepared by the thermal ageing-resistant polypropylene mixture has good thermal ageing-resistant performance.
Description
Technical field
The present invention relates to a kind of heat-proof aging Vestolen PP 7052 compound and preparation method thereof, by the heat-proof aging Vestolen PP 7052 compound of this method preparation, and this heat-proof aging Vestolen PP 7052 compound application in the preparation of melt spraying non-woven fabrics.
Background technology
Melt spraying non-woven fabrics stretch-proof distortion, and have higher breaking tenacity and elongation at break, its Application Areas is very extensive, is mainly used in fields such as medical protection, clothes, family expenses decoration, technical cloth, building, civil engineering work and agricultural.
Usually, the raw materials for production of melt spraying non-woven fabrics mainly comprise HOPP, and its reason is, HOPP is less expensive, have good rigidity, wet fastness, thermotolerance and good plasticity.
Yet, no matter be to adopt traditional HOPP compound or super-high fluidity HOPP compound to produce the melt spraying non-woven fabrics goods, all can only obtain the relatively poor melt-blown nonwoven cloth products of heat aging property.Usually, adopt the melt spraying non-woven fabrics of traditional method preparation, in the detection after through 100 hours under 135 ℃, its transverse tensile strength and elongation can be decayed more than 90% usually.Yet; In order to satisfy the heat-proof aging requirement under the particular surroundings; The heat-proof aging that requires the melt-blown nonwoven cloth products can under 135 ℃ condition, tolerate 12 days (288 hours) detects, and the decay of the transverse tensile strength of the melt spraying non-woven fabrics of process detection and cross direction elongation all must not be greater than 80%.
Summary of the invention
First purpose of the present invention is in order to overcome the relatively poor shortcoming of heat aging property of the melt spraying non-woven fabrics that adopts traditional Vestolen PP 7052 compound preparation, a kind of heat-proof aging Vestolen PP 7052 compound to be provided.
Second purpose of the present invention provides a kind of preparation method of heat-proof aging Vestolen PP 7052 compound.
The 3rd purpose of the present invention provides the heat-proof aging Vestolen PP 7052 compound by said method preparation.
The 4th purpose of the present invention provides the application of said heat-proof aging Vestolen PP 7052 compound in the preparation of melt spraying non-woven fabrics.
The invention provides a kind of heat-proof aging Vestolen PP 7052 compound, wherein, this compound contains HOPP, two benzal sorbic alcohols and thio-2 acid two (18) ester.
The present invention also provides a kind of preparation method of heat-proof aging Vestolen PP 7052 compound, and wherein, this method comprises HOPP, two benzal sorbic alcohols and thio-2 acid two (18) ester mixed and contacts.
The present invention also provides the heat-proof aging Vestolen PP 7052 compound by method for preparing.
The present invention also provides the application of said heat-proof aging Vestolen PP 7052 compound in the preparation of melt spraying non-woven fabrics.
In said heat-proof aging Vestolen PP 7052 compound provided by the invention; Owing to contain two benzal sorbic alcohols and thio-2 acid two (18) ester; Make this heat-proof aging Vestolen PP 7052 compound have the better heat-resisting aging resistance; Therefore, adopt the melt spraying non-woven fabrics of this heat-proof aging Vestolen PP 7052 compound preparation to have the better heat-resisting aging resistance.
Description of drawings
Fig. 1 is the synoptic diagram of equipment that is used for the preparation method of the said heat-proof aging Vestolen PP 7052 compound that embodiment of the present invention provides.
Embodiment
According to a first aspect of the invention, the invention provides a kind of heat-proof aging Vestolen PP 7052 compound, this compound contains HOPP, two benzal sorbic alcohols and thio-2 acid two (18) ester.
In said heat-proof aging Vestolen PP 7052 compound, two benzal sorbic alcohols and thio-2 acid two (18) ester can improve the heat aging property of Vestolen PP 7052 compound synergistically.When only containing two benzal sorbic alcohols or thio-2 acid two (18) ester in the said Vestolen PP 7052 compound, the heat aging property of this Vestolen PP 7052 compound all can reduce greatly.
In said heat-proof aging Vestolen PP 7052 compound, the content of two benzal sorbic alcohols and thio-2 acid two (18) ester does not have special qualification.Yet, having more excellent heat aging property for making said heat-proof aging Vestolen PP 7052 compound, the content of two benzal sorbic alcohols is preferably the 0.01-2 weight part, and the content of thio-2 acid two (18) ester is preferably the 0.01-2 weight part.Under the preferred situation, the content of two benzal sorbic alcohols is the 0.1-1 weight part, and the content of thio-2 acid two (18) ester is the 0.1-1 weight part.
According to said heat-proof aging Vestolen PP 7052 compound provided by the invention, HOPP wherein can be the various HOPPs of routine use, and for example, the melting index of said HOPP can be 2-2000g/10min.Because when the melting index of said HOPP greatly the time; Adopt this Vestolen PP 7052 compound to prepare to have the melt spraying non-woven fabrics of higher hydrostaticpressure and less weight per unit area; Therefore, the said HOPP among the present invention is preferably the bigger HOPP of melting index, and is concrete; The melting index of said HOPP is preferably 100-2000g/10min; More preferably 500-2000g/10min further is preferably 1000-2000g/10min, most preferably is 1500-2000g/10min.In the present invention, said melting index is meant under 230 ℃, 2.16kg pressure, the melting index that records according to the method for GB/T 3682-2000.
According to said heat-proof aging Vestolen PP 7052 compound provided by the invention, this compound can also contain oxidation inhibitor and/or lubricant.The content of said oxidation inhibitor and said lubricant does not have special qualification; Under the preferable case; Said HOPP with respect to 100 weight parts; The content of said oxidation inhibitor is the 0-2 weight part, and the content of said lubricant is the 0-2 weight part, and the adding total amount of said oxidation inhibitor and lubricant is the 0.1-4 weight part.
Under preferable case, said compound contains oxidation inhibitor and lubricant.In this case, the existence of said inhibitor and lubricant can improve the melting index of Vestolen PP 7052 compound synergistically, and makes the melt spraying non-woven fabrics that adopts this Vestolen PP 7052 compound to prepare have higher hydrostaticpressure.Contain at said compound under the situation of oxidation inhibitor and lubricant, the weight ratio of the add-on of said oxidation inhibitor and lubricant is preferably 1: 0.1-10, more preferably 1: 0.2-5, more preferably 1: 0.5-2.
In the present invention, said oxidation inhibitor can for example can be four [methyl-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, three (2 for the conventional various oxidation inhibitor that use in this area; The 4-di-tert-butyl-phenyl) phosphorous acid ester, β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid stearyl alcohol ester, 1,3; 5-three (3, the 5-di-tert-butyl-4-hydroxyl benzyl) s-triazine, 2,4; 6-(1H, 3H, 5H) one or more in the triketone.Under the preferable case; Said oxidation inhibitor is four [methyl-(3; The 5-di-tert-butyl-hydroxy phenyl) propionic acid] mixture of pentaerythritol ester and three (2, the 4-di-tert-butyl-phenyl) phosphorous acid ester, more preferably four [methyl-(3; The 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester and three (2, the 4-di-tert-butyl-phenyl) phosphorous acid ester is 1 with mol ratio: 1-3 blended mixture.Under above-mentioned preferable case, adopt the melt spraying non-woven fabrics of this Vestolen PP 7052 compound preparation to have higher hydrostaticpressure.
In the present invention; Said lubricant can be the conventional various lubricants that use in this area; For example can be Metallic stearates; Said Metallic stearates for example can be in calcium stearate, Zinic stearas, Magnesium Stearate, barium stearate and the lead stearate one or more, most preferably is calcium stearate.
According to a second aspect of the invention, the present invention also provides a kind of preparation method of heat-proof aging Vestolen PP 7052 compound, and this method comprises HOPP, two benzal sorbic alcohols and thio-2 acid two (18) ester mixed and contacts.
According to said method provided by the invention, add the heat aging property that two benzal sorbic alcohols and thio-2 acid two (18) ester can improve the Vestolen PP 7052 compound synergistically.When only adding two benzal sorbic alcohols or thio-2 acid two (18) ester, the heat aging property of the Vestolen PP 7052 compound of final preparation all can reduce greatly.
According to said method provided by the invention, the add-on of two benzal sorbic alcohols and thio-2 acid two (18) ester does not have special qualification.Yet for the Vestolen PP 7052 compound that makes final preparation has more excellent heat aging property, the add-on of two benzal sorbic alcohols is preferably the 0.01-2 weight part, and the add-on of thio-2 acid two (18) ester is preferably the 0.01-2 weight part.Under the preferred situation, the add-on of two benzal sorbic alcohols is the 0.1-1 weight part, and the add-on of thio-2 acid two (18) ester is the 0.1-1 weight part.
According to said method provided by the invention, the condition optimization of said mixing contact comprises: the contact temperature is 145-300 ℃, and be 1-10 minute duration of contact; Under preferred situation, the condition of said mixing contact comprises: the contact temperature is 150-280 ℃, and be 2-5 minute duration of contact.Under above-mentioned preferred mixing contact conditions, two benzal sorbic alcohols and thio-2 acid two (18) ester can work with HOPP preferably, thereby the heat aging property of the Vestolen PP 7052 compound of final preparation is further optimized.
According to said method provided by the invention, employed HOPP can be the various HOPPs of routine use.Because when the melting index of said HOPP greatly the time; Adopt this Vestolen PP 7052 compound to prepare to have the melt spraying non-woven fabrics of higher hydrostaticpressure and less weight per unit area; Therefore, the said HOPP among the present invention is preferably the bigger HOPP of melting index.
In a kind of preferred implementation; In order to improve the melting index of HOPP, said heat-proof aging Vestolen PP 7052 compound preferably also be included in HOPP, two benzal sorbic alcohols and thio-2 acid two (18) ester mix contact before, during and afterwards in one or more time periods in the adding ditertiary butyl peroxide.Because ditertiary butyl peroxide has high reaction activity and high to HOPP, can be with the molecular rupture of HOPP, thus significantly improve the melting index of the Vestolen PP 7052 compound of final preparation.
In the present invention, the consumption of said ditertiary butyl peroxide can change in the larger context.Under the preferable case, with respect to the said HOPP of 100 weight parts, the consumption of ditertiary butyl peroxide is the 0.1-2 weight part, more preferably the 0.4-1 weight part.
In the present invention; Said ditertiary butyl peroxide for example can be di-tert-butyl hydrogen peroxide, 1,1-cyclohexane di-tert-butyl peroxide, 1,1-bis(t-butylperoxy)-3; 3; 5-trimethyl-cyclohexane, dual-tert-butyl peroxo-isopropyl benzene and 2,5-dimethyl--2, one or more in the 5-bis(t-butylperoxy) hexane.
In above-mentioned preferred implementation, said HOPP can be the less HOPP of melting index, for example, below the 50g/10min, perhaps 2-50g/10min, perhaps 10-15g/10min.This HOPP can make for adopting conventional method, and its preparation method does not have special qualification, for example can be in the presence of polymerizing catalysts such as Ziegler-Natta catalyst or metallocene catalyst polymerization and making.This HOPP also can be commercially available, and for example can be commercially available polypropylene powder 040,085, HP550J, HP500N etc.And, above-mentioned HOPP through with the ditertiary butyl peroxide contact reacts after, can obtain the HOPP that melting index significantly improves, the melting index of this HOPP can be 1000-2000g/10min, perhaps 1500-2000g/10min.
In another kind of preferred implementation, said method also is included in before the said mixing contact, during and afterwards in one or more time periods in add oxidation inhibitor and/or lubricant.With respect to the said HOPP of 100 weight parts, the add-on of said oxidation inhibitor can be the 0-2 weight part, and the add-on of said lubricant is the 0-2 weight part, and the adding total amount of said oxidation inhibitor and lubricant is the 0.1-4 weight part.
Under preferred situation, said method also is included in before the said mixing contact, during and afterwards in one or more time periods in add oxidation inhibitor and lubricant.Under further preferred situation, said oxidation inhibitor all added before said mixing contacts with lubricant.Under above-mentioned preferable case; The existence of said inhibitor and lubricant can improve the melting index of the Vestolen PP 7052 compound of final preparation synergistically, and makes the melt spraying non-woven fabrics of the Vestolen PP 7052 compound preparation that employing obtains according to the method for the invention have higher hydrostaticpressure.
According to said method provided by the invention; Before said mixing contact, during and afterwards in one or more time periods in add under the situation of oxidation inhibitor and lubricant; The weight ratio of the add-on of said oxidation inhibitor and lubricant is preferably 1: 0.1-10; More preferably 1: 0.2-5, more preferably 1: 0.5-2.
In the present invention, said oxidation inhibitor can for example can be four [methyl-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, three (2 for the conventional various oxidation inhibitor that use in this area; The 4-di-tert-butyl-phenyl) phosphorous acid ester, β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid stearyl alcohol ester, 1,3; 5-three (3, the 5-di-tert-butyl-4-hydroxyl benzyl) s-triazine, 2,4; 6-(1H, 3H, 5H) one or more in the triketone.Under the preferable case; Said oxidation inhibitor is four [methyl-(3; The 5-di-tert-butyl-hydroxy phenyl) propionic acid] mixture of pentaerythritol ester and three (2, the 4-di-tert-butyl-phenyl) phosphorous acid ester, more preferably four [methyl-(3; The 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester and three (2, the 4-di-tert-butyl-phenyl) phosphorous acid ester is 1 with mol ratio: 1-3 blended mixture.Under above-mentioned preferable case, adopt the melt spraying non-woven fabrics of the Vestolen PP 7052 compound preparation that obtains according to this embodiment to have the hydrostaticpressure of further raising.
In the present invention; Said lubricant can be the conventional various lubricants that use in this area; For example can be Metallic stearates; Said Metallic stearates for example can be in calcium stearate, Zinic stearas, Magnesium Stearate, barium stearate and the lead stearate one or more, most preferably is calcium stearate.
Said method provided by the invention can adopt equipment shown in Figure 1 to implement; In Fig. 1; Oxidation inhibitor and lubricant that HOPP, two benzal sorbic alcohols, thio-2 acid two (18) ester and selectivity add are added in the storage bin 1; And be added in the twin screw extruder 2 through storage bin 1; The ditertiary butyl peroxide that simultaneously selectivity is added is added in the twin screw extruder 2, and ditertiary butyl peroxide, oxidation inhibitor and the lubricant hybrid concurrency in twin screw extruder 2 that said HOPP, two benzal sorbic alcohols, thio-2 acid two (18) ester and selectivity are added is given birth to reaction, then; With cooling off in the product entering cooling trough 3 that obtains in the twin screw extruder 2; Get into afterwards and carry out granulation in the tablets press 4, adopt the particle that obtains after 5 pairs of granulations of vibratory screening apparatus to sieve at last, thereby make Vestolen PP 7052 compound with particle size of wanting.
According to a third aspect of the present invention, the present invention also provides the heat-proof aging Vestolen PP 7052 compound by method for preparing.
According to a fourth aspect of the present invention, the present invention also provides the application of said heat-proof aging Vestolen PP 7052 compound in the preparation of melt spraying non-woven fabrics.
Below through embodiment the present invention is described further, but protection scope of the present invention is not limited in this.
Embodiment 1
Present embodiment is used to explain said heat-proof aging Vestolen PP 7052 compound provided by the invention and preparation method thereof.
As shown in Figure 1; (melting index is 10g/10min with the HOPP of 100 weight parts; Polypropylene powder 040 available from Sinopec Cangzhou branch office), the antioxidant 1010 of the calcium stearate (available from emerging elm chemical plant, Da Xing County, Beijing City) of thio-2 acid two (18) ester (available from Tianjin Lik-Sang chemical industry ltd) of two benzal sorbic alcohols of 0.5 weight part (available from emerging elm chemical plant, Da Xing County, Beijing City), 0.5 weight part, 0.05 weight part, 0.03 weight part is (available from emerging elm chemical plant, Da Xing County, Beijing City; Staple is four [methyl-(3; The 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester) and the oxidation inhibitor 168 of 0.07 weight part (available from emerging elm chemical plant, Da Xing County, Beijing City; Staple is three (2; The 4-di-tert-butyl-phenyl) phosphorous acid ester) is added in the storage bin, and under 100 rev/mins rotating speed, mixes, afterwards the mixture that obtains is added in the twin screw extruder (length-to-diameter ratio is 64); And to the di-tert-butyl hydrogen peroxide that wherein adds 0.45 weight part (joining sunshine chemical industry ltd) available from Guangzhou; Simultaneously the temperature in the twin screw extruder is controlled to be about 185 ℃, pressure-controlling is-0.05 to 0.08MPa, and screw speed is controlled to be 230 rev/mins; Make HOPP, two benzal sorbic alcohols, thio-2 acid two (18) ester, calcium stearate, oxidation inhibitor and di-tert-butyl hydrogen peroxide at this twin screw extruder internal reaction 3 minutes, extrusion reaction product under 150 ℃ extrusion temperature afterwards.Then, the product of extruding that obtains in the twin screw extruder is added in the cooling trough and cools off, get into afterwards and carry out granulation in the tablets press, and with vibratory screening apparatus the particle that obtains is sieved, obtaining particle size is the goalpost shape Vestolen PP 7052 compound A1 of 3-5 millimeter.
Comparative Examples 1
Method according to embodiment 1 prepares the Vestolen PP 7052 compound, and different is not add two benzal sorbic alcohols, thereby make Vestolen PP 7052 compound D1.
Comparative Examples 2
Method according to embodiment 1 prepares the Vestolen PP 7052 compound, and different is not add thio-2 acid two (18) ester, thereby make Vestolen PP 7052 compound D2.
Comparative Examples 3
Method according to embodiment 1 prepares the Vestolen PP 7052 compound, and different is not add two benzal sorbic alcohols and thio-2 acid two (18) ester, thereby make Vestolen PP 7052 compound D3.
Embodiment 2
Present embodiment is used to explain said heat-proof aging Vestolen PP 7052 compound provided by the invention and preparation method thereof.
Method according to embodiment 1 prepares the Vestolen PP 7052 compound, and different is with tertbutyl peroxide (joining sunshine chemical industry ltd available from Guangzhou) the replacement di-tert-butyl hydrogen peroxide of identical weight, thereby to make Vestolen PP 7052 compound A2.
Embodiment 3
Present embodiment is used to explain said heat-proof aging Vestolen PP 7052 compound provided by the invention and preparation method thereof.
Method according to embodiment 1 prepares the Vestolen PP 7052 compound, and different is in twin screw extruder, not add di-tert-butyl hydrogen peroxide, thereby make Vestolen PP 7052 compound A3.
Present embodiment is used to explain said heat-proof aging Vestolen PP 7052 compound provided by the invention and preparation method thereof.
Method according to embodiment 1 prepares the Vestolen PP 7052 compound, and different is that adding oxidation inhibitor 168 in said storage bin, and the add-on of antioxidant 1010 is 0.1 weight part, thereby makes Vestolen PP 7052 compound A4.
Present embodiment is used to explain said heat-proof aging Vestolen PP 7052 compound provided by the invention and preparation method thereof.
Method according to embodiment 1 prepares the Vestolen PP 7052 compound, and different is, in said storage bin, does not add antioxidant 1010, and the add-on of oxidation inhibitor 168 is 0.1 weight part, thereby makes Vestolen PP 7052 compound A5.
Embodiment 6
Present embodiment is used to explain said heat-proof aging Vestolen PP 7052 compound provided by the invention and preparation method thereof.
Method according to embodiment 1 prepares the Vestolen PP 7052 compound, and different is in said storage bin, not add calcium stearate, thereby make Vestolen PP 7052 compound A6.
Embodiment 7
Present embodiment is used to explain said heat-proof aging Vestolen PP 7052 compound provided by the invention and preparation method thereof.
Method according to embodiment 1 prepares the Vestolen PP 7052 compound, and different is in said storage bin, not add oxidation inhibitor, thereby make Vestolen PP 7052 compound A7.
Embodiment 8
Present embodiment is used to explain said heat-proof aging Vestolen PP 7052 compound provided by the invention and preparation method thereof.
As shown in Figure 1; (melting index is 10g/10min with the HOPP of 100 weight parts; Polypropylene powder 040 available from Sinopec Cangzhou branch office), the oxidation inhibitor 168 of antioxidant 1010 of the calcium stearate (available from emerging elm chemical plant, Da Xing County, Beijing City) of thio-2 acid two (18) ester (available from Tianjin Lik-Sang chemical industry ltd) of the two benzal sorbic alcohols (available from emerging elm chemical plant, Da Xing County, Beijing City) of 0.1 weight part, 1 weight part, 0.02 weight part, 0.03 weight part (available from emerging elm chemical plant, Da Xing County, Beijing City, staple is four [methyl-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester) and 0.05 weight part is (available from emerging elm chemical plant, Da Xing County, Beijing City; Staple is three (2; The 4-di-tert-butyl-phenyl) phosphorous acid ester) is added in the storage bin, and under 100 rev/mins rotating speed, mixes, afterwards the mixture that obtains is added in the twin screw extruder (length-to-diameter ratio is 64); And to wherein adding 2 of 0.4 weight part; 5-dimethyl--2,5-bis(t-butylperoxy) hexane (available from joining chemical industry ltd) is controlled to be about 185 ℃ with the temperature in the twin screw extruder simultaneously; Pressure-controlling is-0.05 to 0.08MPa; Screw speed is controlled to be 240 rev/mins, makes HOPP, two benzal sorbic alcohols, thio-2 acid two (18) ester, calcium stearate, oxidation inhibitor and 2,5-dimethyl--2; 5-bis(t-butylperoxy) hexane is at this twin screw extruder internal reaction 5 minutes, extrusion reaction product under 150 ℃ extrusion temperature afterwards.Then, the product of extruding that obtains in the twin screw extruder is added in the cooling trough and cools off, get into afterwards and carry out granulation in the tablets press, and with vibratory screening apparatus the particle that obtains is sieved, obtaining particle size is the goalpost shape Vestolen PP 7052 compound A8 of 3-5 millimeter.
Embodiment 9
Present embodiment is used to explain said heat-proof aging Vestolen PP 7052 compound provided by the invention and preparation method thereof.
As shown in Figure 1; (melting index is 10g/10min with the HOPP of 100 weight parts; Polypropylene powder 040 available from Sinopec Cangzhou branch office), the antioxidant 1010 of the calcium stearate (available from emerging elm chemical plant, Da Xing County, Beijing City) of thio-2 acid two (18) ester (available from Tianjin Lik-Sang chemical industry ltd) of two benzal sorbic alcohols of 1 weight part (available from emerging elm chemical plant, Da Xing County, Beijing City), 0.1 weight part, 1.5 weight parts, 1.2 weight parts is (available from emerging elm chemical plant, Da Xing County, Beijing City; Staple is four [methyl-(3; The 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester) and the oxidation inhibitor 168 of 1.2 weight parts (available from emerging elm chemical plant, Da Xing County, Beijing City; Staple is three (2; The 4-di-tert-butyl-phenyl) phosphorous acid ester) is added in the storage bin, and under 100 rev/mins rotating speed, mixes, afterwards the mixture that obtains is added in the twin screw extruder (length-to-diameter ratio is 64); And to the di-tert-butyl hydrogen peroxide that wherein adds 1 weight part (joining sunshine chemical industry ltd) available from Guangzhou; Simultaneously the temperature in the twin screw extruder is controlled to be about 185 ℃, pressure-controlling is-0.05 to 0.08MPa, and screw speed is controlled to be 220 rev/mins; Make HOPP, two benzal sorbic alcohols, thio-2 acid two (18) ester, calcium stearate, oxidation inhibitor and di-tert-butyl hydrogen peroxide at this twin screw extruder internal reaction 2 minutes, extrusion reaction product under 150 ℃ extrusion temperature afterwards.Then, the product of extruding that obtains in the twin screw extruder is added in the cooling trough and cools off, get into afterwards and carry out granulation in the tablets press, and with vibratory screening apparatus the particle that obtains is sieved, obtaining particle size is the goalpost shape Vestolen PP 7052 compound A9 of 3-5 millimeter.
Test case 1
According to the method for GB/T 3682-2000, under 230 ℃, 2.16kg pressure, detect the melting index of Vestolen PP 7052 compound A1-A9 and D1-D3, its detected result is as shown in table 1 below:
Table 1
Embodiment 10
Present embodiment is used for explaining according to the application of said heat-proof aging Vestolen PP 7052 compound provided by the invention in the preparation of melt spraying non-woven fabrics.
Using nozzle diameter is that 0.6 millimeter, injector spacing are vertical 8 millimeters, the horizontal 9 millimeters spunbond forming mill with spinning nozzle; In the mould temperature is that 290 ℃, melt-spun speed are under the condition of 200m/min Vestolen PP 7052 compound A1 to be carried out spinning; In the cooling air temperature is that 20 ℃, stretching air wind speed are to stretch under the condition of 2000m/min; The silk thread that obtains is formed reticulattion, and reticulattion is deposited on the collection face.Under 70 ℃, the reticulattion of above-mentioned accumulation is carried out embossing processing, thereby make melt spraying non-woven fabrics S1.
Comparative Examples 4-6
Method according to embodiment 10 prepares melt spraying non-woven fabrics, and different is to use the Vestolen PP 7052 compound D1-D3 for preparing among the Comparative Examples 1-3 to replace heat-proof aging Vestolen PP 7052 compound A1 respectively, thereby make melt spraying non-woven fabrics DS1-DS3 respectively.
Embodiment 11-18
Present embodiment is used for explaining according to the application of said Vestolen PP 7052 compound provided by the invention in the preparation of melt spraying non-woven fabrics.
Method according to embodiment 8 prepares melt spraying non-woven fabrics, and different is to use the Vestolen PP 7052 compound A2-A9 for preparing among the embodiment 2-7 to replace Vestolen PP 7052 compound A1 respectively, thereby make melt spraying non-woven fabrics S2-S9 respectively.
Test case 2
According to the method for GB/T 4744-1997, adopt the hydrostaticpressure detecting instrument, detect weight per unit area and the hydrostaticpressure of melt spraying non-woven fabrics S1-S9 and DS1-DS3, its test result is as shown in table 2 below:
Table 2
Test case 3
Adopting YG023J type single thread force-machine, is that 150mm and draw speed are under the condition of 200mm/min at clamping length, detects preceding transverse tensile strength and the cross direction elongation of thermal ageing of melt spraying non-woven fabrics S1-S9 and DS1-DS3, and its test result is as shown in table 3 below.Then; Use 401A type heat aging test chamber respectively with melt spraying non-woven fabrics S1-S9 and DS1-DS3 in 135 ℃ of following thermal ageings 12 days (promptly 288 hours); And employing YG023J type single thread force-machine; At clamping length is that 150mm and draw speed are under the condition of 200mm/min, transverse tensile strength and cross direction elongation after the thermal ageing of detection melt spraying non-woven fabrics S1-S9 and DS1-DS3, and its test result is as shown in table 3 below.
Calculate transverse tensile strength rate of fall-off and cross direction elongation rate of fall-off according to following formula:
Its calculation result is as shown in table 3 below.
Table 3
Data by last table 3 can be found out; The melt spraying non-woven fabrics that adopts said heat-proof aging Vestolen PP 7052 compound provided by the invention to process has the better heat-resisting aging resistance; Show that thus said heat-proof aging Vestolen PP 7052 compound provided by the invention has the better heat-resisting aging resistance.Concrete; Through melt spraying non-woven fabrics S1 and melt spraying non-woven fabrics DS1-DS3 are compared and can find out; Owing to added two benzal sorbic alcohols and thio-2 acid two (18) ester in the preparation process of the Vestolen PP 7052 compound that is adopted of preparation melt spraying non-woven fabrics S1, thereby shown obvious better heat-resisting aging resistance.
Above embodiment only is used to describe preferred implementation of the present invention; But; The present invention is not limited to the detail in the above-mentioned embodiment; In technical conceive scope of the present invention, can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
Need to prove that in addition each the concrete technical characterictic described in above-mentioned embodiment under reconcilable situation, can make up through any suitable manner.For fear of unnecessary repetition, the present invention is to the explanation no longer separately of various possible array modes.
In addition, also can carry out arbitrary combination between the various embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be regarded as the disclosed content of the present invention equally.
Claims (12)
1. a heat-proof aging Vestolen PP 7052 compound is characterized in that, this compound contains HOPP, two benzal sorbic alcohols and thio-2 acid two (18) ester.
2. compound according to claim 1, wherein, with respect to the said HOPP of 100 weight parts, the content of two benzal sorbic alcohols is the 0.01-2 weight part, is preferably the 0.1-1 weight part; The content of thio-2 acid two (18) ester is the 0.01-2 weight part, is preferably the 0.1-1 weight part.
3. compound according to claim 1 and 2; Wherein, Said compound also contains oxidation inhibitor and/or lubricant, and with respect to the said HOPP of 100 weight parts, the content of said oxidation inhibitor is the 0-2 weight part; The content of said lubricant is the 0-2 weight part, and the adding total amount of said oxidation inhibitor and lubricant is the 0.1-4 weight part.
4. compound according to claim 3, wherein, said oxidation inhibitor is four [methyl-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, three (2; The 4-di-tert-butyl-phenyl) phosphorous acid ester, β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid stearyl alcohol ester, 1,3; 5-three (3, the 5-di-tert-butyl-4-hydroxyl benzyl) s-triazine, 2,4; 6-(1H, 3H, 5H) one or more in the triketone; Be preferably the mixture of four [methyl-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester and three (2, the 4-di-tert-butyl-phenyl) phosphorous acid ester; More preferably four [methyl-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester and three (2, the 4-di-tert-butyl-phenyl) phosphorous acid ester is 1 with mol ratio: 1-3 blended mixture; Said lubricant is a Metallic stearates, is preferably in calcium stearate, Zinic stearas, Magnesium Stearate, barium stearate and the lead stearate one or more, more preferably calcium stearate.
5. the preparation method of a heat-proof aging Vestolen PP 7052 compound is characterized in that, this method comprises HOPP, two benzal sorbic alcohols and thio-2 acid two (18) ester mixed and contacts.
6. method according to claim 5, wherein, with respect to the said HOPP of 100 weight parts, the consumption of two benzal sorbic alcohols is the 0.01-2 weight part, is preferably the 0.1-1 weight part; The consumption of thio-2 acid two (18) ester is the 0.01-2 weight part, is preferably the 0.1-1 weight part.
7. method according to claim 5, wherein, the temperature of said mixing contact is 145-300 ℃, the time is 1-10 minute.
8. according to any described method among the claim 5-7, wherein, said method also is included in before the said mixing contact, during and afterwards in one or more time periods in add oxidation inhibitor and/or lubricant.
9. method according to claim 8; Wherein, with respect to the said HOPP of 100 weight parts, the add-on of said oxidation inhibitor is the 0-2 weight part; The add-on of said lubricant is the 0-2 weight part, and the adding total amount of said oxidation inhibitor and lubricant is the 0.1-4 weight part.
10. method according to claim 8, wherein, said oxidation inhibitor is four [methyl-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, three (2; The 4-di-tert-butyl-phenyl) phosphorous acid ester, β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid stearyl alcohol ester, 1,3; 5-three (3, the 5-di-tert-butyl-4-hydroxyl benzyl) s-triazine, 2,4; 6-(1H, 3H, 5H) one or more in the triketone; Be preferably the mixture of four [methyl-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester and three (2, the 4-di-tert-butyl-phenyl) phosphorous acid ester; More preferably four [methyl-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester and three (2, the 4-di-tert-butyl-phenyl) phosphorous acid ester is 1 with mol ratio: 1-3 blended mixture; Said lubricant is a Metallic stearates, is preferably in calcium stearate, Zinic stearas, Magnesium Stearate, barium stearate and the lead stearate one or more, more preferably calcium stearate.
11. heat-proof aging Vestolen PP 7052 compound by any described method preparation among the claim 5-10.
12. the application of any described heat-proof aging Vestolen PP 7052 compound in the preparation of melt spraying non-woven fabrics in claim 1-4 and 11.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1478122A (en) * | 2000-11-30 | 2004-02-25 | 埃克森美孚化学专利公司 | Polypropylene for precision injection molding applications |
| CN1580115A (en) * | 2003-08-01 | 2005-02-16 | 上海普利特复合材料有限公司 | Scratch-resistance French white filled polypropylene composition and its preparing method |
| CN1876708A (en) * | 2005-06-09 | 2006-12-13 | 龙口市道恩工程塑料有限公司 | Super high flowed polypropylene material for smelt-spraying nonwoven fabric |
| CN101121798A (en) * | 2006-08-09 | 2008-02-13 | 上海金发科技发展有限公司 | High-luster low-surface precipitation anti-flaming polypropylene composite and preparation method thereof |
| CN101624460A (en) * | 2009-08-06 | 2010-01-13 | 厦门创业人环保科技有限公司 | Polypropylene resin based on recycle of polypropylene non-woven fabrics |
-
2011
- 2011-03-10 CN CN2011100581260A patent/CN102675731A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1478122A (en) * | 2000-11-30 | 2004-02-25 | 埃克森美孚化学专利公司 | Polypropylene for precision injection molding applications |
| CN1580115A (en) * | 2003-08-01 | 2005-02-16 | 上海普利特复合材料有限公司 | Scratch-resistance French white filled polypropylene composition and its preparing method |
| CN1876708A (en) * | 2005-06-09 | 2006-12-13 | 龙口市道恩工程塑料有限公司 | Super high flowed polypropylene material for smelt-spraying nonwoven fabric |
| CN101121798A (en) * | 2006-08-09 | 2008-02-13 | 上海金发科技发展有限公司 | High-luster low-surface precipitation anti-flaming polypropylene composite and preparation method thereof |
| CN101624460A (en) * | 2009-08-06 | 2010-01-13 | 厦门创业人环保科技有限公司 | Polypropylene resin based on recycle of polypropylene non-woven fabrics |
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