A study on composites of Nylon-6 with hollow glass microspheres

Nijenhuis, K. te; Addink, R.; Vegt, A.K. van der

doi:10.1007/bf00271969

Cited by 20 publications

(17 citation statements)

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“…The consolidating techniques include coating microspheres (10). rotational molding (11), extrusion (12,13) and ones that use inorganic binder solution and firing (14), dry resin powder for sintering (15)(16)(17)(18), compaction (19,20), liquid resin as binder (21) for in situ reaction injection molding, and buoyancy (1,22,23). The last method (buoyancy) has recently been demonstrated to be capable of control of a wide range of binder contents at low costs, widening applicability of syntactic foams.…”

Section: Introductionmentioning

confidence: 99%

Manufacture of Syntactic Foams: Pre-Mold Processing

Islam

Kim

2007

Materials and Manufacturing Processes

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Manufacturing process for syntactic foams made of hollow microspheres and starch was studied.Various manufacturing parameters in relation with the 'buoyancy method' were identified and interrelated. An equation based on unit cell models with the minimum inter-microsphere distance (MID) concept for a relation between volume expansion rate (VER) of bulk microspheres in aqueous starch and microsphere size was derived and successfully used to predict experimental data. It was demonstrated that the MID can be calculated numerically for microspheres with known statistical data.

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Section: Introductionmentioning

confidence: 99%

Manufacture of Syntactic Foams: Pre-Mold Processing

Islam

Kim

2007

Materials and Manufacturing Processes

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“…Studies that utilize epoxy resin as the matrix can be found in several works [22][23] and these studies put more focuses on the use of glass hollow microspheres as the dispersed phase [22]. Besides that, most published studies also used and investigated various processing techniques in the production of syntactic foams [24][25][26][27][28][29][30]. Some of the literatures described the technique in detail [31,32] and some patented their manufacturing techniques such done by Kim [33] and Meteer and Philipps [34].…”

Section: Introductionmentioning

confidence: 99%

Development and characterization of epoxy syntactic foam filled with epoxy hollow spheres

Samsudin¹,

Ariff²,

Zakaria³

et al. 2011

Express Polym. Lett.

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Abstract. The present study focuses on the development and characterization of epoxy syntactic foam filled with epoxy hollow spheres (ESF/EHoS). The epoxy syntactic foam (ESF) was produced by embedding epoxy hollow spheres (EHoS) into a mixture of epoxy-hardener and 3% KOH solution. An innovative approach and simple procedure was implemented in the preparation of the EHoS where expanded polystyrene (EPS) beads were used as initiation material. The EPS beads were coated with the epoxy resin and these coated EPS beads were later cured and post-cured at high temperature which will also shrink the EPS beads thus producing a hollow structure. The physical and compressive properties of the developed ESF were characterized. The progressive collapse of the syntactic foam was monitored in real-time with respect to percentage of strain during a compression test. Results also indicated that the (ESF/EHoS) showed similar deformation pattern with other types of syntactic foams which exhibited the common three regions of deformations.

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“…The consolidating techniques include coating microspheres (10), rotational molding (11), extrusion (12) and ones that use inorganic binder solution and firing (14), dry resin powder for sintering (15)(16)(17)(18), compaction (19,20), liquid resin as binder (21) for in situ reaction injection molding, and buoyancy principle (1,(22)(23)(24)(25)(26). The last method (buoyancy) has recently been demonstrated to be capable of control of a wide range of binder contents at low costs, widening applicability of syntactic foams.…”

Section: Introductionmentioning

confidence: 99%

Manufacture of Syntactic Foams Using Starch as Binder: Post-Mold Processing

Islam

Kim

2008

Materials and Manufacturing Processes

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Syntactic foam manufacturing method, 'post-mold processing', based on the buoyancy of hollow microspheres was studied for potential building material applications. The post-mold processing involves mixing starch particles and ceramic hollow microspheres in water. It was found starch particles tend to adhere to hollow microspheres, forming agglomerations, during mixing. It was also found that 'volume fraction of starch particles on a microsphere making a relative density of 1.0' (VFSMRD) is an indicator for mixture volume transitions. Both the maximum total volume expansion of mixture and a transition in formation, after phase separation, of mixture volume in water referred to as 'top phase' in a mixing container were taken place at a calculated VFSMRD.It was found that hollow microsphere size effect on attracting starch particles was relatively high but IBVMS effect was not significant. Also, no effect of water volume for a given diameter of cylindrical container was found. Starch-microsphere inter-distance was discussed and considered 1 Corresponding author 2 to be an important parameter affecting starch content in an agglomeration. A Simple Cubic cell model for the starch-microsphere inter-distance was adopted to quantitatively explain various effects on starch content in agglomeration such as hollow microsphere size, initial bulk volume of hollow microspheres (IBVMS) and water volume. Further, the following were found for manufactured syntactic foams: (a) volume fraction of starch in foam is of linear relation with starch content before mixing for a given experimental data range and (b) shrinkage is relatively high for small hollow microspheres with high starch content.

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A study on composites of Nylon-6 with hollow glass microspheres

Cited by 20 publications

References 0 publications

Manufacture of Syntactic Foams: Pre-Mold Processing

Manufacture of Syntactic Foams: Pre-Mold Processing

Development and characterization of epoxy syntactic foam filled with epoxy hollow spheres

Manufacture of Syntactic Foams Using Starch as Binder: Post-Mold Processing

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