阅读说明：本技术 一种3d立体磁性珠光颜料印花伞面织物 (Three-dimensional magnetism pearlescent pigment stamp umbrella face fabric of 3D ) 是由 许尔明 于 2020-12-07 设计创作，主要内容包括：本发明涉及一种3D立体磁性珠光颜料印花伞面织物,基胚经过退浆染色定型之后,采用多次重复涂层的方式在基胚表面形成凹凸3D立体图案；其中多次重复涂层包括：(1)PU底涂；(2)PU遮光黑胶中涂；(3)磁性珠光颜料-PU胶顶涂。磁性珠光颜料-PU胶顶涂时聚氨酯树脂中添加磁性珠光颜料,并在涂层机刀背后安装强磁花辊,通过花辊磁场充分磁化珠光颜料,从而使得磁性珠光颜料在涂层中重新排列、迁移、下沉,使得图案具有强烈的层次感,产生凹凸的3D立体三维效果,使雨伞外观效果更立体、丰富。(The invention relates to a 3D stereoscopic magnetic pearlescent pigment printed umbrella fabric, wherein a base blank is desized, dyed and shaped, and then a concave-convex 3D stereoscopic pattern is formed on the surface of the base blank in a repeated coating mode for many times; wherein the multiple-repeat coating comprises: (1) PU bottom coating; (2) PU shading black glue is coated in the middle; (3) magnetic pearlescent pigment-PU glue top coating. When the magnetic pearlescent pigment-PU glue is top coated, the magnetic pearlescent pigment is added into the polyurethane resin, the strong magnetic flower roller is arranged behind the cutter of the coating machine, and the pearlescent pigment is fully magnetized through the magnetic field of the flower roller, so that the magnetic pearlescent pigment is rearranged, migrated and sunk in the coating, the pattern has strong layering, the concave-convex 3D three-dimensional effect is generated, and the umbrella appearance effect is more three-dimensional and rich.)

1. A3D stereoscopic magnetic pearlescent pigment printed umbrella fabric is characterized in that after a base blank is desized, dyed and shaped, a concave-convex 3D stereoscopic pattern is formed on the surface of the base blank in a repeated coating mode for many times; wherein the multiple-repeat coating comprises:

(1) PU bottom coating, namely uniformly coating the two-liquid type polyurethane resin added with the auxiliary agent on the surface of a treated base blank by a coating technology, wherein the thickness of the bottom coating is controlled to be 25-28 mu m, and the glue consumption per square meter is controlled to be 80-90 g/square meter;

(2) uniformly coating polyurethane black glue added with an auxiliary agent and black shading paste on the surface of the PU bottom coat, wherein the thickness of the polyurethane black glue coated in the middle coat is controlled to be 16-20 mu m, and the glue consumption per square meter is controlled to be 50-60 g/square meter;

(3) the magnetic pearlescent pigment-PU glue is top coated, the magnetic pearlescent pigment and polyurethane resin are compounded, a strong magnetic flower roller is arranged at the back of a coating machine knife, the flower roller and a coating locomotive run synchronously to magnetize the pearlescent pigment, so that the three-dimensional distribution of the magnetic pearlescent pigment in a coating is realized, wherein the polyurethane slurry adopts mirror PU resin, and the grain size of the magnetic pearlescent pigment is controlled to be 25-50 mu m.

2. The 3D stereoscopic magnetic pearlescent pigment printed umbrella fabric according to claim 1, wherein the base fabric is made of chiffon plain cloth, the warp and weft yarn specification is 75D/36F, the warp and weft density is more than 192 pieces/inch, and the base fabric is subjected to end sewing treatment.

3. The 3D stereoscopic magnetic pearlescent pigment printing umbrella fabric according to claim 1, characterized in that the base fabric is subjected to sizing and waterproof treatment after desizing and dyeing, the temperature of an oven of a sizing machine is set to 210 ℃, the residence time of the fabric in the oven is controlled to be 30s, a 3% tearing fastness improver SK-90 and a fluorocarbon waterproofing agent CPS-L38G/L are added during sizing, and the ratio of the tearing fastness improver SK-90 to the fluorocarbon waterproofing agent CPS-L38G/L is 3: 5.

4. The 3D magnetic pearlescent pigment printing umbrella fabric according to claim 1, 2 or 3, characterized in that calendering finishing is performed after sizing, mirror surface roller is adopted for flattening, the surface temperature of the mirror surface roller is controlled to be 180 ℃ and 185 ℃, the nip pressure is controlled to be 120kg/cm, and the calendering traveling speed of the mirror surface roller is controlled to be 30 m/min.

5. The 3D stereoscopic magnetic pearlescent pigment printing umbrella fabric according to claim 1, characterized in that when the PU is used as a base coat, the solid content of the liquid polyurethane resin is more than 50%, the auxiliary agent is amino crosslinking agent 880 and catalyst 925, and the amino crosslinking agent 880 and catalyst 925 are fully dissolved by the diluent and then added into the liquid polyurethane resin.

6. The 3D stereoscopic magnetic pearlescent pigment printing umbrella fabric according to claim 5, characterized in that 100 parts of two-liquid type polyurethane resin, 6 parts of amino crosslinking agent 880, 1.5-2 parts of catalyst 925 and 25 parts of diluent toluene.

7. The 3D magnetic pearlescent pigment printing umbrella fabric according to claim 1, wherein the PU black shading glue is coated on the PU bottom coat in a linkage manner immediately after the PU bottom coat is coated, when the PU black shading glue is coated in the middle, the carbon black content of black shading pulp is more than 35%, the addition amount of the black shading pulp in the polyurethane resin is about 40%, the auxiliary agents comprise an amino crosslinking agent 880 and a catalyst 925, and the amino crosslinking agent 880 and the catalyst 925 are fully dissolved by a diluent and then added into the polyurethane resin.

8. The 3D stereoscopic magnetic pearlescent pigment printed umbrella fabric according to claim 7, wherein the polyurethane resin is 100 parts, the black shading paste is 40-50 parts, the amino crosslinking agent 880 is 6 parts, the catalyst 925 is 2 parts, and the diluent toluene is 40 parts.

9. A3D stereoscopic magnetic pearlescent pigment printed umbrella fabric according to claim 1 or 2 or 3 or 5 or 6 or 7 or 8, characterized in that when the magnetic pearlescent pigment-PU glue is top coated, the polyurethane resin is mirror PU resin with solid content of 60%, 100 parts of mirror PU resin are added with: 15-20 parts of magnetic pearl powder, 15-20 parts of pigment colorant, 60 parts of diluent toluene, 3 parts of melamine bridging machine, 2.5 parts of melamine accelerator, 0.5 part of flatting agent and 5 parts of slip agent.

Technical Field

The invention relates to an umbrella fabric, in particular to a 3D (three-dimensional) magnetic pearlescent pigment printing umbrella fabric.

Background

The umbrella is an essential tool for people to go out, passersby who can see to and fro anywhere on the street can take various umbrellas, the umbrella not only can embody the use value of the umbrella, but also can set off the charm of users and the unique taste of the umbrella.

With the increasing quality of life of people, more consumers are increasingly demanding on umbrellas with special and beautiful appearances.

The existing umbrella cover is of a planar structure, so that the umbrella cover effect is single, and although the colorful appearance is reflected by increasing different color collocation, the umbrella cover still has a planar visual effect.

Disclosure of Invention

The invention provides a 3D stereoscopic magnetic pearlescent pigment printed umbrella fabric, which realizes the arrangement, migration and sinking of the magnetic pearlescent pigment in a coating under an external magnetic field by using a special magnetic pearlescent pigment on the umbrella fabric and combining an innovative coating technology, so that the pattern has strong layering, the fabric surface can present a concave-convex 3D stereoscopic three-dimensional pattern effect, and the umbrella appearance effect is more stereoscopic and rich.

The specific technical scheme of the invention is as follows: A3D stereoscopic magnetic pearlescent pigment printed umbrella fabric is characterized in that after a base blank is desized, dyed and shaped, a concave-convex 3D stereoscopic pattern is formed on the surface of the base blank in a repeated coating mode for many times; wherein the multiple-repeat coating comprises:

(1) PU bottom coating, namely uniformly coating the two-liquid type polyurethane resin added with the auxiliary agent on the surface of a treated base blank by a coating technology, wherein the thickness of the bottom coating is controlled to be 25-28 mu m, and the glue consumption per square meter is controlled to be 80-90 g/square meter;

(2) uniformly coating polyurethane black glue added with an auxiliary agent and black shading paste on the surface of the PU bottom coat, wherein the thickness of the polyurethane black glue coated in the middle coat is controlled to be 16-20 mu m, and the glue consumption per square meter is controlled to be 50-60 g/square meter;

(3) the magnetic pearlescent pigment-PU glue is top coated, the magnetic pearlescent pigment and polyurethane resin are compounded, a strong magnetic flower roller is arranged at the back of a coating machine knife, the flower roller and a coating locomotive run synchronously to magnetize the pearlescent pigment, so that the three-dimensional distribution of the magnetic pearlescent pigment in a coating is realized, wherein the polyurethane slurry adopts mirror PU resin, and the grain size of the magnetic pearlescent pigment is controlled to be 25-50 mu m.

When the magnetic pearlescent pigment-PU glue is top coated, the magnetic pearlescent pigment is added into the polyurethane resin, the strong magnetic flower roller is arranged behind the cutter of the coating machine, and the pearlescent pigment is fully magnetized through the magnetic field of the flower roller, so that the magnetic pearlescent pigment is rearranged, migrated and sunk in the coating, the pattern has strong layering, the concave-convex 3D three-dimensional effect is generated, and the umbrella appearance effect is more three-dimensional and rich. The coating is repeated for many times, and the magnetic pearlescent pigment has enough migration thickness by adopting a mode of combining PU prime coat, PU shading black glue middle coat and magnetic pearlescent pigment-PU glue top coat. When the top coating is carried out, the particle size of the magnetic pearlescent pigment powder is controlled, the uniform dispersion of the magnetic pearlescent pigment powder in polyurethane resin is ensured, otherwise, the magnetization is easy to be nonuniform, and the concave-convex 3D effect cannot be presented.

Preferably, the base blank is made of chiffon plain cloth, the specification of warp and weft yarns is 75D/36F, the density of the warp and weft yarns is more than 192 yarns/inch, and the base blank is subjected to end sewing treatment.

Further preferably, the base blank is subjected to desizing and dyeing and then is subjected to shaping and water proofing treatment, the temperature of an oven of a shaping machine is set to be 210 ℃, the residence time of the fabric in the oven is controlled to be 30s, a 3% tearing fastness improver SK-90 and a fluorocarbon waterproofing agent CPS-L38G/L are added during shaping, and the ratio of the tearing fastness improver SK-90 to the fluorocarbon waterproofing agent CPS-L38G/L is 3: 5.

Further preferably, the calendering finishing is carried out after the sizing, the flattening is carried out by adopting a mirror surface roller, the surface temperature of the mirror surface roller is controlled to be 180-185 ℃, the rolling point pressure is controlled to be 120kg/cm, and the calendering traveling speed of the mirror surface roller is controlled to be 30 m/min. And performing calendaring finishing after shaping, wherein the calendaring finishing enables the fabric tissue to be tighter, and simultaneously can improve the softness of the fabric, and improve the glossiness of the coating surface.

More preferably, when the PU is used for priming, the solid content of the two-liquid type polyurethane resin is more than 50%, the auxiliary agents adopt an amino crosslinking agent 880 and a catalyst 925, and the amino crosslinking agent 880 and the catalyst 925 are fully dissolved by a diluent and then added into the two-liquid type polyurethane resin.

More preferably, the polyurethane resin composition comprises 100 parts of a two-component polyurethane resin, 6 parts of an amino crosslinking agent 880, 1.5-2 parts of a catalyst 925 and 25 parts of a diluent toluene.

Further preferably, the PU shading black glue is coated on the PU bottom coat in a linkage manner immediately after being coated on the PU bottom coat, when the PU shading black glue is coated on the PU shading black glue, the carbon black content of shading black pulp is more than 35%, the addition amount of the shading black pulp in the polyurethane resin is about 40%, the auxiliary agent comprises an amino cross-linking agent 880 and a catalyst 925, and the amino cross-linking agent 880 and the catalyst 925 are fully dissolved by a diluent and then added into the polyurethane resin. The shading black glue polyurethane coating cannot be thin, otherwise, light transmission points can appear, and two-coating and two-baking linked coating machines are selected for coating.

More preferably, the light-shielding black paste comprises 100 parts of polyurethane resin, 40-50 parts of light-shielding black paste, 6 parts of amino crosslinking agent 880, 2 parts of catalyst 925 and 40 parts of diluent toluene.

Further preferably, when the magnetic pearlescent pigment-PU adhesive is top coated, the polyurethane resin adopts mirror PU resin with solid content of 60%, and 100 parts of mirror PU resin are added: 15-20 parts of magnetic pearl powder, 15-20 parts of pigment colorant, 60 parts of diluent toluene, 3 parts of melamine bridging machine, 2.5 parts of melamine accelerator, 0.5 part of flatting agent and 5 parts of slip agent.

The invention has the beneficial effects that: when the magnetic pearlescent pigment-PU glue is top coated, the magnetic pearlescent pigment is added into the polyurethane resin, the strong magnetic flower roller is arranged behind the cutter of the coating machine, and the pearlescent pigment is fully magnetized through the magnetic field of the flower roller, so that the magnetic pearlescent pigment is rearranged, migrated and sunk in the coating, the pattern has strong layering, the concave-convex 3D three-dimensional effect is generated, and the umbrella appearance effect is more three-dimensional and rich. The coating is repeated for many times, and the magnetic pearlescent pigment has enough migration thickness by adopting a mode of combining PU prime coat, PU shading black glue middle coat and magnetic pearlescent pigment-PU glue top coat.

Detailed Description

The invention is further described below by means of specific examples.

Example (b):

A3D stereoscopic magnetic pearlescent pigment printed umbrella fabric is prepared by the following steps:

firstly, preparing a base embryo:

selecting the Chunyan plain weave cloth, wherein the specification of warp and weft yarns is 75D/36F, the density of the warp and weft yarns reaches more than 192 yarns/inch, and performing head sewing treatment on the base blank.

Secondly, desizing and dyeing:

and (3) putting the joined base blank into an overflow dyeing machine for desizing and dyeing, and carrying out reduction cleaning after color matching, wherein the color fastness is more than grade 4.

Thirdly, sizing and waterproofing:

the temperature of the oven of the setting machine is set to be 210 ℃, the residence time of the fabric in the oven is controlled to be 30s, a 3% tearing fastness improver SK-90 and a fluorocarbon waterproofing agent CPS-L38G/L are added during setting, and the ratio of the tearing fastness improver SK-90 to the fluorocarbon waterproofing agent CPS-L38G/L is 3: 5.

Fourthly, press finishing:

calendering finishing is carried out after shaping, the mirror roller is adopted for flattening, the surface temperature of the mirror roller is controlled to be 180-185 ℃, the nip pressure is controlled to be 120kg/cm, and the calendering traveling speed of the mirror roller is controlled to be 30 m/min.

Fifthly, coating finishing:

adopting the mode of repeated coating many times to form unsmooth 3D space pattern on base embryo surface, wherein repeated coating many times includes:

(1) PU bottom coating, namely uniformly coating the two-liquid type polyurethane resin added with the auxiliary agent on the surface of a treated base blank by a coating technology, wherein the thickness of the bottom coating is controlled to be 25-28 mu m, and the glue consumption per square meter is controlled to be 80-90 g/square meter; the solid content of the two-liquid type polyurethane resin is more than 50%, the auxiliary agent adopts an amino crosslinking agent 880 and a catalyst 925, and the amino crosslinking agent 880 and the catalyst 925 are fully dissolved by a diluent and then added into the two-liquid type polyurethane resin; adding 6 parts of amino crosslinking agent 880, 1.5-2 parts of catalyst 925 and 25 parts of diluent toluene into 100 parts of two-liquid type polyurethane resin;

(2) uniformly coating polyurethane black glue added with an auxiliary agent and black shading paste on the surface of the PU bottom coat, wherein the thickness of the polyurethane black glue coated in the middle coat is controlled to be 16-20 mu m, and the glue consumption per square meter is controlled to be 50-60 g/square meter; coating the PU shading black glue in the PU base coat and then immediately performing linkage, wherein when the PU shading black glue is coated in the PU shading black glue, the carbon black content of shading black pulp is more than 35 percent, the addition amount of the shading black pulp in the polyurethane resin is about 40 percent, the auxiliary agent comprises an amino crosslinking agent 880 and a catalyst 925, and the amino crosslinking agent 880 and the catalyst 925 are fully dissolved by a diluent and then added into the polyurethane resin; 100 parts of polyurethane resin, 40-50 parts of shading black pulp, 6 parts of amino crosslinking agent 880, 2 parts of catalyst 925 and 40 parts of diluent toluene;

(3) magnetic pearlescent pigment-PU glue top coating, compounding the magnetic pearlescent pigment with polyurethane resin, installing a strong magnetic pattern roller at the back of a coating machine knife, synchronously operating the pattern roller and a coating locomotive, magnetizing the pearlescent pigment to realize the three-dimensional distribution of the magnetic pearlescent pigment in a coating, wherein the polyurethane slurry adopts mirror PU resin with solid content of 60 percent, and the grain size of the magnetic pearlescent pigment is controlled to be 25-50 mu m; adding 100 parts of mirror-surface PU resin: 15-20 parts of magnetic pearl powder, 15-20 parts of pigment colorant, 60 parts of diluent toluene, 3 parts of melamine bridging machine, 2.5 parts of melamine accelerator, 0.5 part of flatting agent and 5 parts of slip agent.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, alterations and equivalents of the above embodiments according to the technical spirit of the present invention are still within the protection scope of the technical solution of the present invention.